#81E231#81E231

#81E231 is a very light, highly saturated yellow-green. Relative luminance 0.593; OKLCH L 82.2% C 0.221 H 134.7°. Best body text is #000000 at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#81E231
RGB	rgb(129, 226, 49)
HSL	hsl(93, 75%, 54%)
HSV	hsv(93, 78%, 89%)
CMYK	cmyk(42.9%, 0%, 78.3%, 11.4%)
CIE-LAB	lab(81.44, -55.59, 71.04)
CIE-LCH	lch(81.44, 90.21, 128.04°)
OKLab	oklab(82.15% -0.1558 0.1572)
OKLCH	oklch(82.15% 0.221 134.7)
XYZ	xyz(36.8032, 59.2795, 12.4080)
Luminance	0.5928 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E231 #9231E2

analogous

#DAE231 #81E231 #31E23A

triadic

#81E231 #3181E2 #E23181

tetradic

#81E231 #31DAE2 #9231E2 #E23A31

square

#81E231 #31DAE2 #9231E2 #E23A31

split-complementary

#81E231 #3A31E2 #E231DA

monochromatic

#478613 #63BB1A #81E231 #A2EA67 #C3F19C

Accessibility & contrast

On white

1.63

#81E231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.86

#81E231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E231

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E231	#FFFFFF	#000000	##000000
##81E231	1.00	1.63	12.86	12.86
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.86	21.00	1.00	1.00
##000000	12.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EBCF00

Deuteranopia (green-blind)

#DEC845

Tritanopia (blue-blind)

#7FD9C1

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #81e231;
/* rgb */ color: rgb(129, 226, 49);
/* oklch */ color: oklch(82.2% 0.221 134.7);

Tailwind

colors: {
  custom: {
    50: '#adec77',
    500: '#81e231',
    950: '#000000',
  },
}

SCSS

$custom: #81e231;
$custom-light: #adec77;
$custom-dark: #000000;

JSON

{
  "hex": "#81e231",
  "rgb": {
    "r": 129,
    "g": 226,
    "b": 49
  },
  "hsl": {
    "h": 92.881,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.82151,
    "c": 0.22131,
    "h": 134.7
  },
  "luminance": 0.59282
}

Semantic roles & 50–950 ramp

primary

#81E231

secondary

#602B8C

accent

#36F29D

background

#FDFFFB

surface

#F8FEF2

border

#D1D6CC

text

#11160A

muted

#81857D

Preview Lab

Preview with #81E231

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

Preview Lab → · Contrast checker → · Palette generator →