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#21aa21

a dark, vivid green · cool · closest name: green

RGB
33, 170, 33
HSL
120°, 68%, 40%
CMYK
81, 0, 81, 33
Luminance
0.2918

Every format

HEX#21aa21
RGBrgb(33, 170, 33)
HSLhsl(120, 68%, 40%)
CMYKcmyk(81%, 0%, 81%, 33%)
LABlab(60.9 -59.8 55.4)
LCHlch(60.9 81.5 137.2)
OKLCHoklch(0.644 0.204 142.7)

Copy-ready code

/* CSS */
color: #21aa21;
background-color: #21aa21;
/* Tailwind (arbitrary) */
class="text-[#21aa21] bg-[#21aa21]"
/* SCSS */
$brand: #21aa21;
/* SwiftUI */
Color(red: 0.129, green: 0.667, blue: 0.129)
/* Android */
Color.parseColor("#21aa21")

Accessibility — WCAG contrast

Aa
#21aa21 on white: 3.07:1
AA ✗ fail · AA-large · AAA
Aa
#21aa21 on black: 6.84:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red12.9%
Green66.7%
Blue12.9%

CMYK percentages

Cyan80.6%
Magenta0.0%
Yellow80.6%
Key (black)33.3%

Color previews

#21aa21 text on a black background

contrast 6.84:1

Card sample

#21aa21 text on a white background

contrast 3.07:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #21aa21;
Background color
Panel with #21aa21 background
background-color: #21aa21;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #21aa21;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(33, 170, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 170, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #21aa21;
background: linear-gradient(135deg, #21aa21, #21AA7C);

Monochromatic scale

Palettes built from #21aa21

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #21aa21 in the Color Lab