Apparently QColor::set[color]f takes colors as floats clamped to the [0,1] range.

--HG--
branch : gsoc2013-dfighter

code/nel/tools/3d/object_viewer_qt/src/plugins/material_editor/prop_browser_ctrl.cpp

@@ -127,10 +127,10 @@ namespace MaterialEditor
 				}
 
 				QColor color;
-				color.setRedF( c[ 0 ] );
+				color.setRedF( c[ 0 ] / 255.0f );
-				color.setGreenF( c[ 1 ] );
+				color.setGreenF( c[ 1 ] / 255.0f );
-				color.setBlueF( c[ 2 ] );
+				color.setBlueF( c[ 2 ] / 255.0f );
-				color.setAlphaF( c[ 3 ] );
+				color.setAlphaF( c[ 3 ] / 255.0f );
 
 				v = color;