#21AD37#21AD37

#21AD37 is a light, vivid green. Relative luminance 0.305; OKLCH L 65.4% C 0.195 H 144.8°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#21AD37
RGBrgb(33, 173, 55)
HSLhsl(129, 68%, 40%)
HSVhsv(129, 81%, 68%)
CMYKcmyk(80.9%, 0%, 68.2%, 32.2%)
CIE-LABlab(62.07, -58.95, 48.66)
CIE-LCHlch(62.07, 76.44, 140.46°)
OKLaboklab(65.36% -0.159 0.1121)
OKLCHoklch(65.36% 0.195 144.8)
XYZxyz(16.2592, 30.4843, 8.6408)
Luminance0.3049 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#21AD37 #AD2197
analogous
#51AD21 #21AD37 #21AD7D
triadic
#21AD37 #3721AD #AD3721
tetradic
#21AD37 #2151AD #AD2197 #AD7D21
square
#21AD37 #2151AD #AD2197 #AD7D21
split-complementary
#21AD37 #7D21AD #AD2151
monochromatic
#0D4616 #177A27 #21AD37 #33D84D #66E27A

Accessibility & contrast

On white

2.96
#21AD37 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.10
#21AD37 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD37
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##21AD37#FFFFFF#000000##000000
##21AD371.002.967.107.10
#FFFFFF2.961.0021.0021.00
#0000007.1021.001.001.00
##0000007.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B09C27
Deuteranopia (green-blind)
#A19242
Tritanopia (blue-blind)
#00A895
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #21ad37;
/* rgb */ color: rgb(33, 173, 55);
/* oklch */ color: oklch(65.4% 0.195 144.8);
Tailwind
colors: {
  custom: {
    50: '#77c774',
    500: '#21ad37',
    950: '#000000',
  },
}
SCSS
$custom: #21ad37;
$custom-light: #77c774;
$custom-dark: #000000;
JSON
{
  "hex": "#21ad37",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 55
  },
  "hsl": {
    "h": 129.429,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.65363,
    "c": 0.19458,
    "h": 144.8
  },
  "luminance": 0.30486
}

Semantic roles & 50–950 ramp

primary
#21AD37
secondary
#C762B8
accent
#3DD0EB
background
#F7FCF7
surface
#EEF8ED
border
#C9D1C8
text
#0A1308
muted
#7C827B

Preview Lab

Preview with #21AD37

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#21AD37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva