#A3D409 Hex Color

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Hex color #a3d409 graphic
This neon yellow-green carries intense energy, making it suitable for high-impact sports branding or UI alert states. Use the hex code #a3d409 sparingly as a 10% accent rather than a full background, as its saturation can quickly overwhelm a layout. Black text performs well against this shade with a 12.0:1 contrast ratio, ensuring solid legibility for your users.

Questions about #a3d409

What is #a3d409 in RGB, HSL and CMYK?
In RGB, #a3d409 is rgb(163, 212, 9), in HSL hsl(74, 92%, 43%) and in CMYK 23%, 0%, 96%, 17%.
How should I use #a3d409 in a UI layout?
Use #a3d409 sparingly as a small, high-impact accent, such as for active buttons or alert notifications. Because this shade is extremely saturated, it will overwhelm your interface if used as a primary background or in large blocks of space.
What colors pair well with #a3d409?
This neon green creates a strong, balanced contrast when paired with dark neutrals like charcoal or deep navy. These dark bases ground the high-energy nature of #a3d409, making the color pop without straining the user's eye.
Is #a3d409 readable on white or black?
#a3d409 has a 1.75:1 contrast ratio on white and 11.97:1 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.