#21B01E Hex Color
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This high-intensity green pushes saturation to the limit. Because of its extreme brightness, #21b01e works best as a small accent rather than a background. Use it sparingly for call-to-action buttons or highlights where you need immediate attention. It pairs surprisingly well with deep charcoal or slate, creating enough contrast for readability. The hex code for this color is #21b01e.
Questions about #21b01e
What is #21b01e in RGB, HSL and CMYK?
In RGB, #21b01e is rgb(33, 176, 30), in HSL hsl(119, 71%, 40%) and in CMYK 81%, 0%, 83%, 31%.
How can I use #21b01e effectively in UI design?
#21b01e is extremely saturated and should be reserved for small UI elements like buttons or notification icons rather than backgrounds. Pair it with dark neutrals like charcoal to maintain legibility and balance its intense energy against a calm backdrop.
Is #21b01e readable on white or black?
#21b01e has a 2.87:1 contrast ratio on white and 7.29:1 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.