A detailed comparison of #99D520 and #203ED5 — complementary colors
background: linear-gradient(to right, #99D520, #203ED5);
With a contrast ratio of 4.39:1, this pair passes WCAG AA for large text only. Avoid using this combination for body text. Consider it for headings, decorative elements, or adjacent UI regions.
These colors have a 150\u00B0 hue difference, making them complementary. Their high contrast creates visual energy — great for call-to-action buttons, hero sections, and brand accents.