#81CF52#81CF52

#81CF52 is a light, vivid yellow-green. Relative luminance 0.499; OKLCH L 77.8% C 0.177 H 135.5°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX#81CF52
RGBrgb(129, 207, 82)
HSLhsl(97, 57%, 57%)
HSVhsv(97, 60%, 81%)
CMYKcmyk(37.7%, 0%, 60.4%, 18.8%)
CIE-LABlab(76.01, -45.56, 53.36)
CIE-LCHlch(76.01, 70.17, 130.49°)
OKLaboklab(77.77% -0.1263 0.1243)
OKLCHoklch(77.77% 0.177 135.5)
XYZxyz(32.8883, 49.9004, 15.8798)
Luminance0.4990 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81CF52 #A052CF
analogous
#C0CF52 #81CF52 #52CF62
triadic
#81CF52 #5281CF #CF5281
tetradic
#81CF52 #52C0CF #A052CF #CF6252
square
#81CF52 #52C0CF #A052CF #CF6252
split-complementary
#81CF52 #6252CF #CF52C0
monochromatic
#488224 #62B231 #81CF52 #A4DC82 #C7EAB2

Accessibility & contrast

On white

1.91
#81CF52 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.98
#81CF52 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF52
10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81CF52#FFFFFF#000000##000000
##81CF521.001.9110.9810.98
#FFFFFF1.911.0021.0021.00
#00000010.9821.001.001.00
##00000010.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6C044
Deuteranopia (green-blind)
#CBB95C
Tritanopia (blue-blind)
#7FC8B4
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #81cf52;
/* rgb */ color: rgb(129, 207, 82);
/* oklch */ color: oklch(77.8% 0.177 135.5);
Tailwind
colors: {
  custom: {
    50: '#aade87',
    500: '#81cf52',
    950: '#000000',
  },
}
SCSS
$custom: #81cf52;
$custom-light: #aade87;
$custom-dark: #000000;
JSON
{
  "hex": "#81cf52",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 82
  },
  "hsl": {
    "h": 97.44,
    "s": 56.561,
    "l": 56.667
  },
  "oklch": {
    "l": 0.77774,
    "c": 0.17722,
    "h": 135.5
  },
  "luminance": 0.49902
}

Semantic roles & 50–950 ramp

primary
#81CF52
secondary
#C5A5D8
accent
#48E0A7
background
#FAFDF8
surface
#F4FBF0
border
#CED4CB
text
#10150C
muted
#7F837D

Preview Lab

Preview with #81CF52

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

Preview Lab → · Contrast checker → · Palette generator →

#81CF52 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva