#A3CC39 Hex Color

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Hex color #a3cc39 graphic
#a3cc39 is a high-saturation, yellowish-green that feels electric and aggressive. Due to its intense brightness, it works best as a small accent color rather than a main background. It pairs surprisingly well with deep charcoal or navy, creating a sharp contrast that makes what colors make gray easier to understand in palette construction. Black text remains perfectly readable against this lime shade for your UI elements.

Questions about #a3cc39

What is #a3cc39 in RGB, HSL and CMYK?
In RGB, #a3cc39 is rgb(163, 204, 57), in HSL hsl(77, 59%, 51%) and in CMYK 20%, 0%, 72%, 20%.
How should I use #a3cc39 in UI design?
Use #a3cc39 strictly as a small accent color, such as for call-to-action buttons or status indicators, rather than a main background. Its high luminosity is aggressive, so it needs deep neutrals like charcoal or navy to ground the design.
What makes #a3cc39 stand out from other greens?
The #a3cc39 shade sits uniquely between yellow and green, creating an electric, high-saturation look that feels modern and urgent. Unlike traditional sage or muted greens, this color is designed to pop, making it perfect for interfaces requiring high visibility and instant recognition.
Is #a3cc39 readable on white or black?
#a3cc39 has a 1.86:1 contrast ratio on white and 11.25:1 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.