#81BF2B#81BF2B

#81BF2B is a light, vivid yellow-green. Relative luminance 0.421; OKLCH L 73.6% C 0.183 H 130.3°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX#81BF2B
RGBrgb(129, 191, 43)
HSLhsl(85, 63%, 46%)
HSVhsv(85, 77%, 75%)
CMYKcmyk(32.5%, 0%, 77.5%, 25.1%)
CIE-LABlab(70.94, -41.58, 63.00)
CIE-LCHlch(70.94, 75.49, 123.42°)
OKLaboklab(73.55% -0.1184 0.1394)
OKLCHoklch(73.55% 0.183 130.3)
XYZxyz(28.1199, 42.1022, 8.9300)
Luminance0.4210 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81BF2B #692BBF
analogous
#BFB32B #81BF2B #37BF2B
triadic
#81BF2B #2B81BF #BF2B81
tetradic
#81BF2B #2BBFB3 #692BBF #BF2B37
square
#81BF2B #2BBFB3 #692BBF #BF2B37
split-complementary
#81BF2B #2B37BF #B32BBF
monochromatic
#3E5B15 #5F8D20 #81BF2B #9FD850 #BAE382

Accessibility & contrast

On white

2.23
#81BF2B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.42
#81BF2B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BF2B
9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81BF2B#FFFFFF#000000##000000
##81BF2B1.002.239.429.42
#FFFFFF2.231.0021.0021.00
#0000009.4221.001.001.00
##0000009.4221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8B100
Deuteranopia (green-blind)
#BFAC3B
Tritanopia (blue-blind)
#84B7A3
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #81bf2b;
/* rgb */ color: rgb(129, 191, 43);
/* oklch */ color: oklch(73.6% 0.183 130.3);
Tailwind
colors: {
  custom: {
    50: '#abd270',
    500: '#81bf2b',
    950: '#000000',
  },
}
SCSS
$custom: #81bf2b;
$custom-light: #abd270;
$custom-dark: #000000;
JSON
{
  "hex": "#81bf2b",
  "rgb": {
    "r": 129,
    "g": 191,
    "b": 43
  },
  "hsl": {
    "h": 85.135,
    "s": 63.248,
    "l": 45.882
  },
  "oklch": {
    "l": 0.73551,
    "c": 0.18292,
    "h": 130.3
  },
  "luminance": 0.42103
}

Semantic roles & 50–950 ramp

primary
#81BF2B
secondary
#9C7ACC
accent
#42E687
background
#FAFCF7
surface
#F5F9ED
border
#CFD2C8
text
#111408
muted
#80827B

Preview Lab

Preview with #81BF2B

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

Preview Lab → · Contrast checker → · Palette generator →

#81BF2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva