Thanks John,
I certainly agree that color is less important than size, and shape. I like to cover all my bases, though, in order that I give myself every possible advantage with Mr. Trout, especially in spring creeks like The Ranch on Henry's Fork.
Having even one trout turn away because of color would upset me. Now, I know we can't know for sure why a trout rejects a fly, and I suspect the least probable factor is color, but even if just that one........................