I think you deserve a 3.5
I think you should do this;
Make a specific name for a color like;
(Only use it for that color)
Walnut brown only
no walnut blue,green,pink or whatever.
Good use of texture.
Textured Button Icons
Assorted Textured Glossy Button Icons : Beans, Fabric, Noodle, Worms, VooDoo, and Walnut Textures.