It all depends on which
Color Theory you subscribe to:
Additive color or subtractive color
In printing and painting the subtractive color model is used. Therefore White is NOT the combination of all colors,
Black is.
So, to sum it all up: By Kens definition, Black = <span class="ev_code_RED">R</span><span class="ev_code_GREEN">A</span><span class="ev_code_PINK">I</span><span class="ev_code_BLUE">N</span><span class="ev_code_RED">B</span><span class="ev_code_PURPLE">O</span><span class="ev_code_PINK">W</span> = GHAY
White is not a color by Kens definition,
BUT, it does have the best Mud On Paint contrast. So, by definition, White is best!
All those other colors... whatever