1 files changed, 3 insertions, 0 deletions
diff --git a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
index a5929c05..61e84b16 100755
--- a/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
+++ b/io_scene_gltf2/blender/exp/gltf2_blender_gather_materials_pbr_metallic_roughness.py
@@ -71,6 +71,9 @@ def __gather_base_color_factor(blender_material, export_settings):
     if rgb is None: rgb = [1.0, 1.0, 1.0]
     if alpha is None: alpha = 1.0
 
+    # Need to clamp between 0.0 and 1.0: Blender color can be outside this range
+    rgb = [max(min(c, 1.0), 0.0) for c in rgb]
+
     rgba = [*rgb, alpha]
 
     if rgba == [1, 1, 1, 1]: return None