According to Monet, the great artist and color theorist, "There are no rules, only colors." We disagree. Here are our rules:
Rule 3: The color wheel is round. Don't @ us.
Rule 4: Primary colors are primary. Don't @ us.
Rule 5: Secondary colors are secondary. Don't @ us.
When in doubt, use complementary colors. Or not.
Read Rule 4: More Color Harmony