#EEFF04 Hex Color

Sour Yellow pairs best with dark navy, charcoal, or black, which ground its intense brightness without competing for attention. Use deeper tones for text, borders, and large supporting areas while keeping Sour Yellow as the focal accent.

Black text on #eeff04 has about an 18.9:1 contrast ratio, comfortably exceeding WCAG AA's 4.5:1 requirement for body text. It supports readable labels and copy, while white text lacks the same strength and should be avoided for small type.