Originally Posted by Kathy N
If you have a piece of red acetate you can look through it will show you the hue. 3D glasses have one lens that is red. Its amazing what that will do when trying to figure out the order from light to dark.
I have seen these tools. I have never been able to really see hue. I would not be surprised to find out that I am Hue retarded. Color is my biggest challange in quilting.