#81E331#81E331

#81E331 is a very light, highly saturated yellow-green. Relative luminance 0.598; OKLCH L 82.4% C 0.222 H 134.8°. Best body text is #000000 at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#81E331
RGB	rgb(129, 227, 49)
HSL	hsl(93, 76%, 54%)
HSV	hsv(93, 78%, 89%)
CMYK	cmyk(43.2%, 0%, 78.4%, 11%)
CIE-LAB	lab(81.74, -55.97, 71.32)
CIE-LCH	lch(81.74, 90.66, 128.12°)
OKLab	oklab(82.4% -0.1568 0.1578)
OKLCH	oklch(82.4% 0.222 134.8)
XYZ	xyz(37.0759, 59.8249, 12.4989)
Luminance	0.5983 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81E331 #9331E3

analogous

#DAE331 #81E331 #31E33A

triadic

#81E331 #3181E3 #E33181

tetradic

#81E331 #31DAE3 #9331E3 #E33A31

square

#81E331 #31DAE3 #9331E3 #E33A31

split-complementary

#81E331 #3A31E3 #E331DA

monochromatic

#478712 #63BD1A #81E331 #A2EA67 #C3F29D

Accessibility & contrast

On white

1.62

#81E331 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.97

#81E331 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E331

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81E331	#FFFFFF	#000000	##000000
##81E331	1.00	1.62	12.97	12.97
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.97	21.00	1.00	1.00
##000000	12.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ECD000

Deuteranopia (green-blind)

#DFC845

Tritanopia (blue-blind)

#7FDAC2

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #81e331;
/* rgb */ color: rgb(129, 227, 49);
/* oklch */ color: oklch(82.4% 0.222 134.8);

Tailwind

colors: {
  custom: {
    50: '#adec78',
    500: '#81e331',
    950: '#000000',
  },
}

SCSS

$custom: #81e331;
$custom-light: #adec78;
$custom-dark: #000000;

JSON

{
  "hex": "#81e331",
  "rgb": {
    "r": 129,
    "g": 227,
    "b": 49
  },
  "hsl": {
    "h": 93.034,
    "s": 76.068,
    "l": 54.118
  },
  "oklch": {
    "l": 0.82396,
    "c": 0.22246,
    "h": 134.8
  },
  "luminance": 0.59827
}

Semantic roles & 50–950 ramp

primary

#81E331

secondary

#612B8D

accent

#35F39D

background

#FDFFFB

surface

#F8FEF2

border

#D1D6CC

text

#11160A

muted

#81857D

Preview Lab

Preview with #81E331

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

Preview Lab → · Contrast checker → · Palette generator →