#21B800 Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
#21b800 is a high-intensity, saturated green that commands immediate attention. Its extreme saturation makes it overwhelming for large backgrounds, so use this shade sparingly as a call-to-action button or a high-impact accent. Black text maintains strong readability against this bright hue, providing a classic, reliable contrast. The hex code for this lush, electric green is #21b800.
Questions about #21b800
What is #21b800 in RGB, HSL and CMYK?
In RGB, #21b800 is rgb(33, 184, 0), in HSL hsl(109, 100%, 36%) and in CMYK 82%, 0%, 100%, 28%.
What design elements pair well with #21b800?
Use #21b800 sparingly as a focal point, such as a call-to-action button or a data visualization highlight, because its extreme saturation can overwhelm viewers. It balances well against neutral charcoal or deep black text to ensure high readability.
Is #21b800 readable on white or black?
#21b800 has a 2.65:1 contrast ratio on white and 7.92:1 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.