But, with all due respect to Prince, I want to talk about a color that should never get a year: purple. Let me count the heinous hues: plum, lilac, orchid, lavender, violet, mauve. Barf.
Complementary colors live on opposite sides of the color wheel. Imagine red and green, blue and orange, or yellow and purple. Or move a half step over on the wheel, and combine a yellow-green color ...