A detailed comparison of #99D520 and #1C1CBA — complementary colors
background: linear-gradient(to right, #99D520, #1C1CBA);
With a contrast ratio of 6.18:1, this pair meets WCAG AA for normal text. Use Olive Core Vivid as the background and Iris Velvet Vivid as text for optimal readability.
These colors have a 160\u00B0 hue difference, making them complementary. Their high contrast creates visual energy — great for call-to-action buttons, hero sections, and brand accents.