#81CF3F#81CF3F

#81CF3F is a light, vivid yellow-green. Relative luminance 0.497; OKLCH L 77.6% C 0.191 H 133.7°. Best body text is #000000 at 10.93:1 contrast (WCAG AA passes).

Color values

HEX#81CF3F
RGBrgb(129, 207, 63)
HSLhsl(93, 60%, 53%)
HSVhsv(93, 70%, 81%)
CMYKcmyk(37.7%, 0%, 69.6%, 18.8%)
CIE-LABlab(75.85, -47.14, 60.95)
CIE-LCHlch(75.85, 77.05, 127.72°)
OKLaboklab(77.6% -0.132 0.138)
OKLCHoklch(77.6% 0.191 133.7)
XYZxyz(32.2627, 49.6501, 12.5852)
Luminance0.4965 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81CF3F #8D3FCF
analogous
#C9CF3F #81CF3F #3FCF45
triadic
#81CF3F #3F81CF #CF3F81
tetradic
#81CF3F #3FC9CF #8D3FCF #CF453F
square
#81CF3F #3FC9CF #8D3FCF #CF453F
split-complementary
#81CF3F #453FCF #CF3FC9
monochromatic
#46761E #63A72A #81CF3F #A1DB70 #C1E7A1

Accessibility & contrast

On white

1.92
#81CF3F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.93
#81CF3F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CF3F
10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81CF3F#FFFFFF#000000##000000
##81CF3F1.001.9210.9310.93
#FFFFFF1.921.0021.0021.00
#00000010.9321.001.001.00
##00000010.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7BF28
Deuteranopia (green-blind)
#CCB94C
Tritanopia (blue-blind)
#81C7B2
Achromatopsia (no color)
#BBBBBB

Design tokens & code

CSS
--color: #81cf3f;
/* rgb */ color: rgb(129, 207, 63);
/* oklch */ color: oklch(77.6% 0.191 133.7);
Tailwind
colors: {
  custom: {
    50: '#abde7c',
    500: '#81cf3f',
    950: '#000000',
  },
}
SCSS
$custom: #81cf3f;
$custom-light: #abde7c;
$custom-dark: #000000;
JSON
{
  "hex": "#81cf3f",
  "rgb": {
    "r": 129,
    "g": 207,
    "b": 63
  },
  "hsl": {
    "h": 92.5,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.77599,
    "c": 0.19101,
    "h": 133.7
  },
  "luminance": 0.49652
}

Semantic roles & 50–950 ramp

primary
#81CF3F
secondary
#B796D4
accent
#45E39B
background
#FBFDF7
surface
#F6FBEE
border
#D0D4C9
text
#11150A
muted
#80837C

Preview Lab

Preview with #81CF3F

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

Preview Lab → · Contrast checker → · Palette generator →

#81CF3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva