Merge pull request #1026 from nextcloud/fix/phpcolors

Add mexitek/phpcolors

9 files changed, 954 insertions, 4 deletions

diff --git a/.gitignore b/.gitignore
index 825d88c5..42e772fa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -124,6 +124,13 @@ james-heinrich/getid3/helperapps
 league/flysystem/SECURITY.md
 league/flysystem/deprecations.md
 
+mexitek/phpcolors/demo
+mexitek/phpcolors/tests
+mexitek/phpcolors/.gitignore
+mexitek/phpcolors/.phpcs.xml
+mexitek/phpcolors/composer.json
+mexitek/phpcolors/README.md
+
 mikey179/vfsstream
 
 mtdowling/jmespath.php/tests
diff --git a/composer.json b/composer.json
index 8cfae63f..8523f4c7 100644
--- a/composer.json
+++ b/composer.json
@@ -29,6 +29,7 @@
 		"guzzlehttp/guzzle": "^7.4.0",
 		"icewind/searchdav": "^3.0",
 		"icewind/streams": "v0.7.5",
+		"mexitek/phpcolors": "^1.0",
 		"microsoft/azure-storage-blob": "^1.5",
 		"nextcloud/lognormalizer": "^1.0",
 		"nikic/php-parser": "^4.2",
diff --git a/composer.lock b/composer.lock
index c3e53f9e..6fb37639 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "2cbb12f8ea31eccc0d3c21c9df7c11f5",
+    "content-hash": "04f51e4416e58eca78f2ce77b58fa332",
     "packages": [
         {
             "name": "aws/aws-sdk-php",
@@ -1927,6 +1927,59 @@
             "time": "2020-10-31T13:45:51+00:00"
         },
         {
+            "name": "mexitek/phpcolors",
+            "version": "v1.0.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/mexitek/phpColors.git",
+                "reference": "4043974240ca7dc3c2bec3c158588148b605b206"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/mexitek/phpColors/zipball/4043974240ca7dc3c2bec3c158588148b605b206",
+                "reference": "4043974240ca7dc3c2bec3c158588148b605b206",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2|^8.0"
+            },
+            "require-dev": {
+                "nette/tester": "^2.3",
+                "squizlabs/php_codesniffer": "^3.5"
+            },
+            "type": "library",
+            "autoload": {
+                "classmap": [
+                    "src"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Arlo Carreon",
+                    "homepage": "http://arlocarreon.com",
+                    "role": "creator"
+                }
+            ],
+            "description": "A series of methods that let you manipulate colors. Just incase you ever need different shades of one color on the fly.",
+            "homepage": "http://mexitek.github.com/phpColors/",
+            "keywords": [
+                "color",
+                "css",
+                "design",
+                "frontend",
+                "ui"
+            ],
+            "support": {
+                "issues": "https://github.com/mexitek/phpColors/issues",
+                "source": "https://github.com/mexitek/phpColors"
+            },
+            "time": "2021-11-26T13:19:08+00:00"
+        },
+        {
             "name": "microsoft/azure-storage-blob",
             "version": "1.5.2",
             "source": {
@@ -6130,5 +6183,5 @@
     "platform-overrides": {
         "php": "7.3.0"
     },
-    "plugin-api-version": "2.2.0"
+    "plugin-api-version": "2.3.0"
 }
diff --git a/composer/autoload_classmap.php b/composer/autoload_classmap.php
index 7092f706..b2a945b9 100644
--- a/composer/autoload_classmap.php
+++ b/composer/autoload_classmap.php
@@ -1544,6 +1544,7 @@ return array(
     'League\\Uri\\UriTemplate\\Template' => $vendorDir . '/league/uri/src/UriTemplate/Template.php',
     'League\\Uri\\UriTemplate\\VarSpecifier' => $vendorDir . '/league/uri/src/UriTemplate/VarSpecifier.php',
     'League\\Uri\\UriTemplate\\VariableBag' => $vendorDir . '/league/uri/src/UriTemplate/VariableBag.php',
+    'Mexitek\\PHPColors\\Color' => $vendorDir . '/mexitek/phpcolors/src/Mexitek/PHPColors/Color.php',
     'MicrosoftAzure\\Storage\\Blob\\BlobRestProxy' => $vendorDir . '/microsoft/azure-storage-blob/src/Blob/BlobRestProxy.php',
     'MicrosoftAzure\\Storage\\Blob\\BlobSharedAccessSignatureHelper' => $vendorDir . '/microsoft/azure-storage-blob/src/Blob/BlobSharedAccessSignatureHelper.php',
     'MicrosoftAzure\\Storage\\Blob\\Internal\\BlobResources' => $vendorDir . '/microsoft/azure-storage-blob/src/Blob/Internal/BlobResources.php',
diff --git a/composer/autoload_static.php b/composer/autoload_static.php
index 94aa4916..c79fca14 100644
--- a/composer/autoload_static.php
+++ b/composer/autoload_static.php
@@ -2175,6 +2175,7 @@ class ComposerStaticInit2f23f73bc0cc116b4b1eee1521aa8652
         'League\\Uri\\UriTemplate\\Template' => __DIR__ . '/..' . '/league/uri/src/UriTemplate/Template.php',
         'League\\Uri\\UriTemplate\\VarSpecifier' => __DIR__ . '/..' . '/league/uri/src/UriTemplate/VarSpecifier.php',
         'League\\Uri\\UriTemplate\\VariableBag' => __DIR__ . '/..' . '/league/uri/src/UriTemplate/VariableBag.php',
+        'Mexitek\\PHPColors\\Color' => __DIR__ . '/..' . '/mexitek/phpcolors/src/Mexitek/PHPColors/Color.php',
         'MicrosoftAzure\\Storage\\Blob\\BlobRestProxy' => __DIR__ . '/..' . '/microsoft/azure-storage-blob/src/Blob/BlobRestProxy.php',
         'MicrosoftAzure\\Storage\\Blob\\BlobSharedAccessSignatureHelper' => __DIR__ . '/..' . '/microsoft/azure-storage-blob/src/Blob/BlobSharedAccessSignatureHelper.php',
         'MicrosoftAzure\\Storage\\Blob\\Internal\\BlobResources' => __DIR__ . '/..' . '/microsoft/azure-storage-blob/src/Blob/Internal/BlobResources.php',
diff --git a/composer/installed.json b/composer/installed.json
index 3c3007f1..32f5e651 100644
--- a/composer/installed.json
+++ b/composer/installed.json
@@ -2002,6 +2002,62 @@
             "install-path": "../league/uri-interfaces"
         },
         {
+            "name": "mexitek/phpcolors",
+            "version": "v1.0.4",
+            "version_normalized": "1.0.4.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/mexitek/phpColors.git",
+                "reference": "4043974240ca7dc3c2bec3c158588148b605b206"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/mexitek/phpColors/zipball/4043974240ca7dc3c2bec3c158588148b605b206",
+                "reference": "4043974240ca7dc3c2bec3c158588148b605b206",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.2|^8.0"
+            },
+            "require-dev": {
+                "nette/tester": "^2.3",
+                "squizlabs/php_codesniffer": "^3.5"
+            },
+            "time": "2021-11-26T13:19:08+00:00",
+            "type": "library",
+            "installation-source": "dist",
+            "autoload": {
+                "classmap": [
+                    "src"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Arlo Carreon",
+                    "homepage": "http://arlocarreon.com",
+                    "role": "creator"
+                }
+            ],
+            "description": "A series of methods that let you manipulate colors. Just incase you ever need different shades of one color on the fly.",
+            "homepage": "http://mexitek.github.com/phpColors/",
+            "keywords": [
+                "color",
+                "css",
+                "design",
+                "frontend",
+                "ui"
+            ],
+            "support": {
+                "issues": "https://github.com/mexitek/phpColors/issues",
+                "source": "https://github.com/mexitek/phpColors"
+            },
+            "install-path": "../mexitek/phpcolors"
+        },
+        {
             "name": "microsoft/azure-storage-blob",
             "version": "1.5.2",
             "version_normalized": "1.5.2.0",
diff --git a/composer/installed.php b/composer/installed.php
index 54a4f046..d1a5b70c 100644
--- a/composer/installed.php
+++ b/composer/installed.php
@@ -5,7 +5,7 @@
         'type' => 'library',
         'install_path' => __DIR__ . '/../',
         'aliases' => array(),
-        'reference' => '94cc96de7a8f34b4da8e165ec7308a0024a1d9d6',
+        'reference' => '04b80d6c8d44a2a844d0b8f81a4ba745c48980f8',
         'name' => 'nextcloud/3rdparty',
         'dev' => false,
     ),
@@ -253,6 +253,15 @@
             'reference' => '667f150e589d65d79c89ffe662e426704f84224f',
             'dev_requirement' => false,
         ),
+        'mexitek/phpcolors' => array(
+            'pretty_version' => 'v1.0.4',
+            'version' => '1.0.4.0',
+            'type' => 'library',
+            'install_path' => __DIR__ . '/../mexitek/phpcolors',
+            'aliases' => array(),
+            'reference' => '4043974240ca7dc3c2bec3c158588148b605b206',
+            'dev_requirement' => false,
+        ),
         'microsoft/azure-storage-blob' => array(
             'pretty_version' => '1.5.2',
             'version' => '1.5.2.0',
@@ -286,7 +295,7 @@
             'type' => 'library',
             'install_path' => __DIR__ . '/../',
             'aliases' => array(),
-            'reference' => '94cc96de7a8f34b4da8e165ec7308a0024a1d9d6',
+            'reference' => '04b80d6c8d44a2a844d0b8f81a4ba745c48980f8',
             'dev_requirement' => false,
         ),
         'nextcloud/lognormalizer' => array(
diff --git a/mexitek/phpcolors/LICENSE b/mexitek/phpcolors/LICENSE
new file mode 100644
index 00000000..f764bbc2
--- /dev/null
+++ b/mexitek/phpcolors/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Arlo Carreon, http://arlocarreon.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/mexitek/phpcolors/src/Mexitek/PHPColors/Color.php b/mexitek/phpcolors/src/Mexitek/PHPColors/Color.php
new file mode 100644
index 00000000..282e9926
--- /dev/null
+++ b/mexitek/phpcolors/src/Mexitek/PHPColors/Color.php
@@ -0,0 +1,801 @@
+<?php
+
+/**
+ * Author: Arlo Carreon <http://arlocarreon.com>
+ * Info: http://mexitek.github.io/phpColors/
+ * License: http://arlo.mit-license.org/
+ */
+
+namespace Mexitek\PHPColors;
+
+use Exception;
+
+/**
+ * A color utility that helps manipulate HEX colors
+ */
+class Color
+{
+    /**
+     * @var string
+     */
+    private $_hex;
+
+    /**
+     * @var array
+     */
+    private $_hsl;
+
+    /**
+     * @var array
+     */
+    private $_rgb;
+
+    /**
+     * Auto darkens/lightens by 10% for sexily-subtle gradients.
+     * Set this to FALSE to adjust automatic shade to be between given color
+     * and black (for darken) or white (for lighten)
+     */
+    public const DEFAULT_ADJUST = 10;
+
+    /**
+     * Instantiates the class with a HEX value
+     * @param string $hex
+     * @throws Exception
+     */
+    public function __construct(string $hex)
+    {
+        $color = self::sanitizeHex($hex);
+        $this->_hex = $color;
+        $this->_hsl = self::hexToHsl($color);
+        $this->_rgb = self::hexToRgb($color);
+    }
+
+    /**
+     * Given a HEX string returns a HSL array equivalent.
+     * @param string $color
+     * @return array HSL associative array
+     * @throws Exception
+     */
+    public static function hexToHsl(string $color): array
+    {
+        // Sanity check
+        $color = self::sanitizeHex($color);
+
+        // Convert HEX to DEC
+        $R = hexdec($color[0] . $color[1]);
+        $G = hexdec($color[2] . $color[3]);
+        $B = hexdec($color[4] . $color[5]);
+
+        $HSL = array();
+
+        $var_R = ($R / 255);
+        $var_G = ($G / 255);
+        $var_B = ($B / 255);
+
+        $var_Min = min($var_R, $var_G, $var_B);
+        $var_Max = max($var_R, $var_G, $var_B);
+        $del_Max = $var_Max - $var_Min;
+
+        $L = ($var_Max + $var_Min) / 2;
+
+        if ($del_Max == 0) {
+            $H = 0;
+            $S = 0;
+        } else {
+            if ($L < 0.5) {
+                $S = $del_Max / ($var_Max + $var_Min);
+            } else {
+                $S = $del_Max / (2 - $var_Max - $var_Min);
+            }
+
+            $del_R = ((($var_Max - $var_R) / 6) + ($del_Max / 2)) / $del_Max;
+            $del_G = ((($var_Max - $var_G) / 6) + ($del_Max / 2)) / $del_Max;
+            $del_B = ((($var_Max - $var_B) / 6) + ($del_Max / 2)) / $del_Max;
+
+            if ($var_R == $var_Max) {
+                $H = $del_B - $del_G;
+            } elseif ($var_G == $var_Max) {
+                $H = (1 / 3) + $del_R - $del_B;
+            } elseif ($var_B == $var_Max) {
+                $H = (2 / 3) + $del_G - $del_R;
+            }
+
+            if ($H < 0) {
+                $H++;
+            }
+            if ($H > 1) {
+                $H--;
+            }
+        }
+
+        $HSL['H'] = ($H * 360);
+        $HSL['S'] = $S;
+        $HSL['L'] = $L;
+
+        return $HSL;
+    }
+
+    /**
+     * Given a HSL associative array returns the equivalent HEX string
+     * @param array $hsl
+     * @return string HEX string
+     * @throws Exception "Bad HSL Array"
+     */
+    public static function hslToHex(array $hsl = array()): string
+    {
+        // Make sure it's HSL
+        if (empty($hsl) || !isset($hsl["H"], $hsl["S"], $hsl["L"])) {
+            throw new Exception("Param was not an HSL array");
+        }
+
+        list($H, $S, $L) = array($hsl['H'] / 360, $hsl['S'], $hsl['L']);
+
+        if ($S == 0) {
+            $r = $L * 255;
+            $g = $L * 255;
+            $b = $L * 255;
+        } else {
+            if ($L < 0.5) {
+                $var_2 = $L * (1 + $S);
+            } else {
+                $var_2 = ($L + $S) - ($S * $L);
+            }
+
+            $var_1 = 2 * $L - $var_2;
+
+            $r = 255 * self::hueToRgb($var_1, $var_2, $H + (1 / 3));
+            $g = 255 * self::hueToRgb($var_1, $var_2, $H);
+            $b = 255 * self::hueToRgb($var_1, $var_2, $H - (1 / 3));
+        }
+
+        // Convert to hex
+        $r = dechex(round($r));
+        $g = dechex(round($g));
+        $b = dechex(round($b));
+
+        // Make sure we get 2 digits for decimals
+        $r = (strlen("" . $r) === 1) ? "0" . $r : $r;
+        $g = (strlen("" . $g) === 1) ? "0" . $g : $g;
+        $b = (strlen("" . $b) === 1) ? "0" . $b : $b;
+
+        return $r . $g . $b;
+    }
+
+
+    /**
+     * Given a HEX string returns a RGB array equivalent.
+     * @param string $color
+     * @return array RGB associative array
+     * @throws Exception
+     */
+    public static function hexToRgb(string $color): array
+    {
+        // Sanity check
+        $color = self::sanitizeHex($color);
+
+        // Convert HEX to DEC
+        $R = hexdec($color[0] . $color[1]);
+        $G = hexdec($color[2] . $color[3]);
+        $B = hexdec($color[4] . $color[5]);
+
+        $RGB['R'] = $R;
+        $RGB['G'] = $G;
+        $RGB['B'] = $B;
+
+        return $RGB;
+    }
+
+
+    /**
+     * Given an RGB associative array returns the equivalent HEX string
+     * @param array $rgb
+     * @return string Hex string
+     * @throws Exception "Bad RGB Array"
+     */
+    public static function rgbToHex(array $rgb = array()): string
+    {
+        // Make sure it's RGB
+        if (empty($rgb) || !isset($rgb["R"], $rgb["G"], $rgb["B"])) {
+            throw new Exception("Param was not an RGB array");
+        }
+
+        // https://github.com/mexitek/phpColors/issues/25#issuecomment-88354815
+        // Convert RGB to HEX
+        $hex[0] = str_pad(dechex((int)$rgb['R']), 2, '0', STR_PAD_LEFT);
+        $hex[1] = str_pad(dechex((int)$rgb['G']), 2, '0', STR_PAD_LEFT);
+        $hex[2] = str_pad(dechex((int)$rgb['B']), 2, '0', STR_PAD_LEFT);
+
+        // Make sure that 2 digits are allocated to each color.
+        $hex[0] = (strlen($hex[0]) === 1) ? '0' . $hex[0] : $hex[0];
+        $hex[1] = (strlen($hex[1]) === 1) ? '0' . $hex[1] : $hex[1];
+        $hex[2] = (strlen($hex[2]) === 1) ? '0' . $hex[2] : $hex[2];
+
+        return implode('', $hex);
+    }
+
+    /**
+     * Given an RGB associative array, returns CSS string output.
+     * @param array $rgb
+     * @return string rgb(r,g,b) string
+     * @throws Exception "Bad RGB Array"
+     */
+    public static function rgbToString(array $rgb = array()): string
+    {
+        // Make sure it's RGB
+        if (empty($rgb) || !isset($rgb["R"], $rgb["G"], $rgb["B"])) {
+            throw new Exception("Param was not an RGB array");
+        }
+
+        return 'rgb(' .
+            $rgb['R'] . ', ' .
+            $rgb['G'] . ', ' .
+            $rgb['B'] . ')';
+    }
+
+    /**
+     * Given a standard color name, return hex code
+     *
+     * @param string $color_name
+     * @return string
+     */
+    public static function nameToHex(string $color_name): string
+    {
+        $colors = array(
+            'aliceblue' => 'F0F8FF',
+            'antiquewhite' => 'FAEBD7',
+            'aqua' => '00FFFF',
+            'aquamarine' => '7FFFD4',
+            'azure' => 'F0FFFF',
+            'beige' => 'F5F5DC',
+            'bisque' => 'FFE4C4',
+            'black' => '000000',
+            'blanchedalmond' => 'FFEBCD',
+            'blue' => '0000FF',
+            'blueviolet' => '8A2BE2',
+            'brown' => 'A52A2A',
+            'burlywood' => 'DEB887',
+            'cadetblue' => '5F9EA0',
+            'chartreuse' => '7FFF00',
+            'chocolate' => 'D2691E',
+            'coral' => 'FF7F50',
+            'cornflowerblue' => '6495ED',
+            'cornsilk' => 'FFF8DC',
+            'crimson' => 'DC143C',
+            'cyan' => '00FFFF',
+            'darkblue' => '00008B',
+            'darkcyan' => '008B8B',
+            'darkgoldenrod' => 'B8860B',
+            'darkgray' => 'A9A9A9',
+            'darkgreen' => '006400',
+            'darkgrey' => 'A9A9A9',
+            'darkkhaki' => 'BDB76B',
+            'darkmagenta' => '8B008B',
+            'darkolivegreen' => '556B2F',
+            'darkorange' => 'FF8C00',
+            'darkorchid' => '9932CC',
+            'darkred' => '8B0000',
+            'darksalmon' => 'E9967A',
+            'darkseagreen' => '8FBC8F',
+            'darkslateblue' => '483D8B',
+            'darkslategray' => '2F4F4F',
+            'darkslategrey' => '2F4F4F',
+            'darkturquoise' => '00CED1',
+            'darkviolet' => '9400D3',
+            'deeppink' => 'FF1493',
+            'deepskyblue' => '00BFFF',
+            'dimgray' => '696969',
+            'dimgrey' => '696969',
+            'dodgerblue' => '1E90FF',
+            'firebrick' => 'B22222',
+            'floralwhite' => 'FFFAF0',
+            'forestgreen' => '228B22',
+            'fuchsia' => 'FF00FF',
+            'gainsboro' => 'DCDCDC',
+            'ghostwhite' => 'F8F8FF',
+            'gold' => 'FFD700',
+            'goldenrod' => 'DAA520',
+            'gray' => '808080',
+            'green' => '008000',
+            'greenyellow' => 'ADFF2F',
+            'grey' => '808080',
+            'honeydew' => 'F0FFF0',
+            'hotpink' => 'FF69B4',
+            'indianred' => 'CD5C5C',
+            'indigo' => '4B0082',
+            'ivory' => 'FFFFF0',
+            'khaki' => 'F0E68C',
+            'lavender' => 'E6E6FA',
+            'lavenderblush' => 'FFF0F5',
+            'lawngreen' => '7CFC00',
+            'lemonchiffon' => 'FFFACD',
+            'lightblue' => 'ADD8E6',
+            'lightcoral' => 'F08080',
+            'lightcyan' => 'E0FFFF',
+            'lightgoldenrodyellow' => 'FAFAD2',
+            'lightgray' => 'D3D3D3',
+            'lightgreen' => '90EE90',
+            'lightgrey' => 'D3D3D3',
+            'lightpink' => 'FFB6C1',
+            'lightsalmon' => 'FFA07A',
+            'lightseagreen' => '20B2AA',
+            'lightskyblue' => '87CEFA',
+            'lightslategray' => '778899',
+            'lightslategrey' => '778899',
+            'lightsteelblue' => 'B0C4DE',
+            'lightyellow' => 'FFFFE0',
+            'lime' => '00FF00',
+            'limegreen' => '32CD32',
+            'linen' => 'FAF0E6',
+            'magenta' => 'FF00FF',
+            'maroon' => '800000',
+            'mediumaquamarine' => '66CDAA',
+            'mediumblue' => '0000CD',
+            'mediumorchid' => 'BA55D3',
+            'mediumpurple' => '9370D0',
+            'mediumseagreen' => '3CB371',
+            'mediumslateblue' => '7B68EE',
+            'mediumspringgreen' => '00FA9A',
+            'mediumturquoise' => '48D1CC',
+            'mediumvioletred' => 'C71585',
+            'midnightblue' => '191970',
+            'mintcream' => 'F5FFFA',
+            'mistyrose' => 'FFE4E1',
+            'moccasin' => 'FFE4B5',
+            'navajowhite' => 'FFDEAD',
+            'navy' => '000080',
+            'oldlace' => 'FDF5E6',
+            'olive' => '808000',
+            'olivedrab' => '6B8E23',
+            'orange' => 'FFA500',
+            'orangered' => 'FF4500',
+            'orchid' => 'DA70D6',
+            'palegoldenrod' => 'EEE8AA',
+            'palegreen' => '98FB98',
+            'paleturquoise' => 'AFEEEE',
+            'palevioletred' => 'DB7093',
+            'papayawhip' => 'FFEFD5',
+            'peachpuff' => 'FFDAB9',
+            'peru' => 'CD853F',
+            'pink' => 'FFC0CB',
+            'plum' => 'DDA0DD',
+            'powderblue' => 'B0E0E6',
+            'purple' => '800080',
+            'red' => 'FF0000',
+            'rosybrown' => 'BC8F8F',
+            'royalblue' => '4169E1',
+            'saddlebrown' => '8B4513',
+            'salmon' => 'FA8072',
+            'sandybrown' => 'F4A460',
+            'seagreen' => '2E8B57',
+            'seashell' => 'FFF5EE',
+            'sienna' => 'A0522D',
+            'silver' => 'C0C0C0',
+            'skyblue' => '87CEEB',
+            'slateblue' => '6A5ACD',
+            'slategray' => '708090',
+            'slategrey' => '708090',
+            'snow' => 'FFFAFA',
+            'springgreen' => '00FF7F',
+            'steelblue' => '4682B4',
+            'tan' => 'D2B48C',
+            'teal' => '008080',
+            'thistle' => 'D8BFD8',
+            'tomato' => 'FF6347',
+            'turquoise' => '40E0D0',
+            'violet' => 'EE82EE',
+            'wheat' => 'F5DEB3',
+            'white' => 'FFFFFF',
+            'whitesmoke' => 'F5F5F5',
+            'yellow' => 'FFFF00',
+            'yellowgreen' => '9ACD32'
+        );
+
+        $color_name = strtolower($color_name);
+        if (isset($colors[$color_name])) {
+            return '#' . $colors[$color_name];
+        }
+
+        return $color_name;
+    }
+
+    /**
+     * Given a HEX value, returns a darker color. If no desired amount provided, then the color halfway between
+     * given HEX and black will be returned.
+     * @param int $amount
+     * @return string Darker HEX value
+     * @throws Exception
+     */
+    public function darken(int $amount = self::DEFAULT_ADJUST): string
+    {
+        // Darken
+        $darkerHSL = $this->darkenHsl($this->_hsl, $amount);
+        // Return as HEX
+        return self::hslToHex($darkerHSL);
+    }
+
+    /**
+     * Given a HEX value, returns a lighter color. If no desired amount provided, then the color halfway between
+     * given HEX and white will be returned.
+     * @param int $amount
+     * @return string Lighter HEX value
+     * @throws Exception
+     */
+    public function lighten(int $amount = self::DEFAULT_ADJUST): string
+    {
+        // Lighten
+        $lighterHSL = $this->lightenHsl($this->_hsl, $amount);
+        // Return as HEX
+        return self::hslToHex($lighterHSL);
+    }
+
+    /**
+     * Given a HEX value, returns a mixed color. If no desired amount provided, then the color mixed by this ratio
+     * @param string $hex2 Secondary HEX value to mix with
+     * @param int $amount = -100..0..+100
+     * @return string mixed HEX value
+     * @throws Exception
+     */
+    public function mix(string $hex2, int $amount = 0): string
+    {
+        $rgb2 = self::hexToRgb($hex2);
+        $mixed = $this->mixRgb($this->_rgb, $rgb2, $amount);
+        // Return as HEX
+        return self::rgbToHex($mixed);
+    }
+
+    /**
+     * Creates an array with two shades that can be used to make a gradient
+     * @param int $amount Optional percentage amount you want your contrast color
+     * @return array An array with a 'light' and 'dark' index
+     * @throws Exception
+     */
+    public function makeGradient(int $amount = self::DEFAULT_ADJUST): array
+    {
+        // Decide which color needs to be made
+        if ($this->isLight()) {
+            $lightColor = $this->_hex;
+            $darkColor = $this->darken($amount);
+        } else {
+            $lightColor = $this->lighten($amount);
+            $darkColor = $this->_hex;
+        }
+
+        // Return our gradient array
+        return array("light" => $lightColor, "dark" => $darkColor);
+    }
+
+
+    /**
+     * Returns whether or not given color is considered "light"
+     * @param string|bool $color
+     * @param int $lighterThan
+     * @return boolean
+     */
+    public function isLight($color = false, int $lighterThan = 130): bool
+    {
+        // Get our color
+        $color = ($color) ? $color : $this->_hex;
+
+        // Calculate straight from rbg
+        $r = hexdec($color[0] . $color[1]);
+        $g = hexdec($color[2] . $color[3]);
+        $b = hexdec($color[4] . $color[5]);
+
+        return (($r * 299 + $g * 587 + $b * 114) / 1000 > $lighterThan);
+    }
+
+    /**
+     * Returns whether or not a given color is considered "dark"
+     * @param string|bool $color
+     * @param int $darkerThan
+     * @return boolean
+     */
+    public function isDark($color = false, int $darkerThan = 130): bool
+    {
+        // Get our color
+        $color = ($color) ? $color : $this->_hex;
+
+        // Calculate straight from rbg
+        $r = hexdec($color[0] . $color[1]);
+        $g = hexdec($color[2] . $color[3]);
+        $b = hexdec($color[4] . $color[5]);
+
+        return (($r * 299 + $g * 587 + $b * 114) / 1000 <= $darkerThan);
+    }
+
+    /**
+     * Returns the complimentary color
+     * @return string Complementary hex color
+     * @throws Exception
+     */
+    public function complementary(): string
+    {
+        // Get our HSL
+        $hsl = $this->_hsl;
+
+        // Adjust Hue 180 degrees
+        $hsl['H'] += ($hsl['H'] > 180) ? -180 : 180;
+
+        // Return the new value in HEX
+        return self::hslToHex($hsl);
+    }
+
+    /**
+     * Returns the HSL array of your color
+     */
+    public function getHsl(): array
+    {
+        return $this->_hsl;
+    }
+
+    /**
+     * Returns your original color
+     */
+    public function getHex(): string
+    {
+        return $this->_hex;
+    }
+
+    /**
+     * Returns the RGB array of your color
+     */
+    public function getRgb(): array
+    {
+        return $this->_rgb;
+    }
+
+    /**
+     * Returns the cross browser CSS3 gradient
+     * @param int $amount Optional: percentage amount to light/darken the gradient
+     * @param boolean $vintageBrowsers Optional: include vendor prefixes for browsers that almost died out already
+     * @param string $prefix Optional: prefix for every lines
+     * @param string $suffix Optional: suffix for every lines
+     * @return string CSS3 gradient for chrome, safari, firefox, opera and IE10
+     * @throws Exception
+     * @link http://caniuse.com/css-gradients Resource for the browser support
+     */
+    public function getCssGradient($amount = self::DEFAULT_ADJUST, $vintageBrowsers = false, $suffix = "", $prefix = ""): string
+    {
+        // Get the recommended gradient
+        $g = $this->makeGradient($amount);
+
+        $css = "";
+        /* fallback/image non-cover color */
+        $css .= "{$prefix}background-color: #" . $this->_hex . ";{$suffix}";
+
+        /* IE Browsers */
+        $css .= "{$prefix}filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#" . $g['light'] . "', endColorstr='#" . $g['dark'] . "');{$suffix}";
+
+        /* Safari 4+, Chrome 1-9 */
+        if ($vintageBrowsers) {
+            $css .= "{$prefix}background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#" . $g['light'] . "), to(#" . $g['dark'] . "));{$suffix}";
+        }
+
+        /* Safari 5.1+, Mobile Safari, Chrome 10+ */
+        $css .= "{$prefix}background-image: -webkit-linear-gradient(top, #" . $g['light'] . ", #" . $g['dark'] . ");{$suffix}";
+
+        if ($vintageBrowsers) {
+            /* Firefox 3.6+ */
+            $css .= "{$prefix}background-image: -moz-linear-gradient(top, #" . $g['light'] . ", #" . $g['dark'] . ");{$suffix}";
+
+            /* Opera 11.10+ */
+            $css .= "{$prefix}background-image: -o-linear-gradient(top, #" . $g['light'] . ", #" . $g['dark'] . ");{$suffix}";
+        }
+
+        /* Unprefixed version (standards): FF 16+, IE10+, Chrome 26+, Safari 7+, Opera 12.1+ */
+        $css .= "{$prefix}background-image: linear-gradient(to bottom, #" . $g['light'] . ", #" . $g['dark'] . ");{$suffix}";
+
+        // Return our CSS
+        return $css;
+    }
+
+    /**
+     * Darkens a given HSL array
+     * @param array $hsl
+     * @param int $amount
+     * @return array $hsl
+     */
+    private function darkenHsl(array $hsl, int $amount = self::DEFAULT_ADJUST): array
+    {
+        // Check if we were provided a number
+        if ($amount) {
+            $hsl['L'] = ($hsl['L'] * 100) - $amount;
+            $hsl['L'] = ($hsl['L'] < 0) ? 0 : $hsl['L'] / 100;
+        } else {
+            // We need to find out how much to darken
+            $hsl['L'] /= 2;
+        }
+
+        return $hsl;
+    }
+
+    /**
+     * Lightens a given HSL array
+     * @param array $hsl
+     * @param int $amount
+     * @return array
+     */
+    private function lightenHsl(array $hsl, int $amount = self::DEFAULT_ADJUST): array
+    {
+        // Check if we were provided a number
+        if ($amount) {
+            $hsl['L'] = ($hsl['L'] * 100) + $amount;
+            $hsl['L'] = ($hsl['L'] > 100) ? 1 : $hsl['L'] / 100;
+        } else {
+            // We need to find out how much to lighten
+            $hsl['L'] += (1 - $hsl['L']) / 2;
+        }
+
+        return $hsl;
+    }
+
+    /**
+     * Mix two RGB colors and return the resulting RGB color
+     * ported from http://phpxref.pagelines.com/nav.html?includes/class.colors.php.source.html
+     * @param array $rgb1
+     * @param array $rgb2
+     * @param int $amount ranged -100..0..+100
+     * @return array
+     */
+    private function mixRgb(array $rgb1, array $rgb2, int $amount = 0): array
+    {
+        $r1 = ($amount + 100) / 100;
+        $r2 = 2 - $r1;
+
+        $rmix = (($rgb1['R'] * $r1) + ($rgb2['R'] * $r2)) / 2;
+        $gmix = (($rgb1['G'] * $r1) + ($rgb2['G'] * $r2)) / 2;
+        $bmix = (($rgb1['B'] * $r1) + ($rgb2['B'] * $r2)) / 2;
+
+        return array('R' => $rmix, 'G' => $gmix, 'B' => $bmix);
+    }
+
+    /**
+     * Given a Hue, returns corresponding RGB value
+     * @param float $v1
+     * @param float $v2
+     * @param float $vH
+     * @return float
+     */
+    private static function hueToRgb(float $v1, float $v2, float $vH): float
+    {
+        if ($vH < 0) {
+            ++$vH;
+        }
+
+        if ($vH > 1) {
+            --$vH;
+        }
+
+        if ((6 * $vH) < 1) {
+            return ($v1 + ($v2 - $v1) * 6 * $vH);
+        }
+
+        if ((2 * $vH) < 1) {
+            return $v2;
+        }
+
+        if ((3 * $vH) < 2) {
+            return ($v1 + ($v2 - $v1) * ((2 / 3) - $vH) * 6);
+        }
+
+        return $v1;
+    }
+
+    /**
+     * Checks the HEX string for correct formatting and converts short format to long
+     * @param string $hex
+     * @return string
+     * @throws Exception
+     */
+    private static function sanitizeHex(string $hex): string
+    {
+        // Strip # sign if it is present
+        $color = str_replace("#", "", $hex);
+
+        // Validate hex string
+        if (!preg_match('/^[a-fA-F0-9]+$/', $color)) {
+            throw new Exception("HEX color does not match format");
+        }
+
+        // Make sure it's 6 digits
+        if (strlen($color) === 3) {
+            $color = $color[0] . $color[0] . $color[1] . $color[1] . $color[2] . $color[2];
+        } elseif (strlen($color) !== 6) {
+            throw new Exception("HEX color needs to be 6 or 3 digits long");
+        }
+
+        return $color;
+    }
+
+    /**
+     * Converts object into its string representation
+     * @return string
+     */
+    public function __toString()
+    {
+        return "#" . $this->getHex();
+    }
+
+    /**
+     * @param string $name
+     * @return mixed|null
+     */
+    public function __get(string $name)
+    {
+        switch (strtolower($name)) {
+            case 'red':
+            case 'r':
+                return $this->_rgb["R"];
+            case 'green':
+            case 'g':
+                return $this->_rgb["G"];
+            case 'blue':
+            case 'b':
+                return $this->_rgb["B"];
+            case 'hue':
+            case 'h':
+                return $this->_hsl["H"];
+            case 'saturation':
+            case 's':
+                return $this->_hsl["S"];
+            case 'lightness':
+            case 'l':
+                return $this->_hsl["L"];
+        }
+
+        $trace = debug_backtrace();
+        trigger_error(
+            'Undefined property via __get(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'],
+            E_USER_NOTICE
+        );
+        return null;
+    }
+
+    /**
+     * @param string $name
+     * @param mixed $value
+     * @throws Exception
+     */
+    public function __set(string $name, $value)
+    {
+        switch (strtolower($name)) {
+            case 'red':
+            case 'r':
+                $this->_rgb["R"] = $value;
+                $this->_hex = self::rgbToHex($this->_rgb);
+                $this->_hsl = self::hexToHsl($this->_hex);
+                break;
+            case 'green':
+            case 'g':
+                $this->_rgb["G"] = $value;
+                $this->_hex = self::rgbToHex($this->_rgb);
+                $this->_hsl = self::hexToHsl($this->_hex);
+                break;
+            case 'blue':
+            case 'b':
+                $this->_rgb["B"] = $value;
+                $this->_hex = self::rgbToHex($this->_rgb);
+                $this->_hsl = self::hexToHsl($this->_hex);
+                break;
+            case 'hue':
+            case 'h':
+                $this->_hsl["H"] = $value;
+                $this->_hex = self::hslToHex($this->_hsl);
+                $this->_rgb = self::hexToRgb($this->_hex);
+                break;
+            case 'saturation':
+            case 's':
+                $this->_hsl["S"] = $value;
+                $this->_hex = self::hslToHex($this->_hsl);
+                $this->_rgb = self::hexToRgb($this->_hex);
+                break;
+            case 'lightness':
+            case 'light':
+            case 'l':
+                $this->_hsl["L"] = $value;
+                $this->_hex = self::hslToHex($this->_hsl);
+                $this->_rgb = self::hexToRgb($this->_hex);
+                break;
+        }
+    }
+}