#21B530 Color

#21B530 is rgb(33, 181, 48) in RGB and hsl(126, 69%, 42%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#21B530

HEX#21B530

RGBrgb(33, 181, 48)

HSLhsl(126, 69%, 42%)

HSVhsv(126, 82%, 71%)

OKLCHoklch(67.5% 0.208 143.9)

CMYKcmyk(82%, 0%, 73%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21B530 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.72:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.72:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21B530 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21B530 Complementary#B521A6 Analogous#5CB521 Analogous#21B57A Triadic#3021B5 Triadic#B53021

Tints & Shades

Lighter tints and darker shades of #21B530, useful for hover states, backgrounds, and text variants.

Tints

#28D739 #4ADE59 #6CE478 #8FEA98 #B1F1B8 #D4F7D7

Shades

#1D9F2A #198623 #15701E #105617 #0C4111 #07270A

Use #21B530 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex