#21B529 Color

#21B529 is rgb(33, 181, 41) in RGB and hsl(123, 69%, 42%) in HSL. The closest CSS named color is LimeGreen. Black text is most readable on this background.

#21B529

HEX#21B529

RGBrgb(33, 181, 41)

HSLhsl(123, 69%, 42%)

HSVhsv(123, 82%, 71%)

OKLCHoklch(67.4% 0.212 143.3)

CMYKcmyk(82%, 0%, 77%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #21B529 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.73:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text7.71:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #21B529 based on color wheel relationships. Click any swatch for its full breakdown.

Base#21B529 Complementary#B521AE Analogous#64B521 Analogous#21B572 Triadic#2921B5 Triadic#B52921

Tints & Shades

Lighter tints and darker shades of #21B529, useful for hover states, backgrounds, and text variants.

Tints

#28D730 #4ADE51 #6CE472 #8FEA94 #B1F1B5 #D4F7D6

Shades

#1D9F24 #19861E #157019 #105613 #0C410E #072709

Use #21B529 in Our Tools

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