#31D558 Hex Color
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#31d558 is a high-saturation, neon green that demands attention. Because of its intensity, it functions best as a small accent to inject energy into UI buttons or call-to-action elements. Avoid using it as a full background, as the brightness can overwhelm the eyes. Pair this hex code with dark charcoals or deep blues to anchor its electric character. Black text remains perfectly legible over this shade.
Questions about #31d558
What is #31d558 in RGB, HSL and CMYK?
In RGB, #31d558 is rgb(49, 213, 88), in HSL hsl(134, 66%, 51%) and in CMYK 77%, 0%, 59%, 16%.
How do I use #31d558 effectively in UI design?
Because #31d558 is extremely intense, reserve it as a small-scale accent for primary call-to-action buttons or status indicators. It is too visually aggressive for full backgrounds but works beautifully when anchored against charcoal or deep navy foundations.
Is #31d558 readable on white or black?
#31d558 has a 1.94:1 contrast ratio on white and 10.78:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it is too faint for text and on black it works for body text. Try other pairs in the contrast checker.