# File lib/color/rgb.rb, line 187 def to_yiq y = (@r * 0.299) + (@g * 0.587) + (@b * 0.114) i = (@r * 0.596) + (@g * -0.275) + (@b * -0.321) q = (@r * 0.212) + (@g * -0.523) + (@b * 0.311) Color::YIQ.from_fraction(y, i, q) end