#81D037#81D037

#81D037 is a light, vivid yellow-green. Relative luminance 0.501; OKLCH L 77.8% C 0.197 H 133.3°. Best body text is #000000 at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#81D037
RGB	rgb(129, 208, 55)
HSL	hsl(91, 62%, 52%)
HSV	hsv(91, 74%, 82%)
CMYK	cmyk(38%, 0%, 73.6%, 18.4%)
CIE-LAB	lab(76.10, -48.08, 64.06)
CIE-LCH	lch(76.10, 80.09, 126.89°)
OKLab	oklab(77.79% -0.1352 0.1434)
OKLCH	oklch(77.79% 0.197 133.3)
XYZ	xyz(32.2982, 50.0532, 11.5731)
Luminance	0.5006 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D037 #8637D0

analogous

#CED037 #81D037 #37D03A

triadic

#81D037 #3781D0 #D03781

tetradic

#81D037 #37CED0 #8637D0 #D03A37

square

#81D037 #37CED0 #8637D0 #D03A37

split-complementary

#81D037 #3A37D0 #D037CE

monochromatic

#45721B #63A326 #81D037 #A0DC69 #BFE79A

Accessibility & contrast

On white

1.91

#81D037 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.01

#81D037 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D037

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D037	#FFFFFF	#000000	##000000
##81D037	1.00	1.91	11.01	11.01
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.01	21.00	1.00	1.00
##000000	11.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C018

Deuteranopia (green-blind)

#CEB946

Tritanopia (blue-blind)

#81C8B3

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #81d037;
/* rgb */ color: rgb(129, 208, 55);
/* oklch */ color: oklch(77.8% 0.197 133.3);

Tailwind

colors: {
  custom: {
    50: '#abdf78',
    500: '#81d037',
    950: '#000000',
  },
}

SCSS

$custom: #81d037;
$custom-light: #abdf78;
$custom-dark: #000000;

JSON

{
  "hex": "#81d037",
  "rgb": {
    "r": 129,
    "g": 208,
    "b": 55
  },
  "hsl": {
    "h": 90.98,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.77785,
    "c": 0.19707,
    "h": 133.3
  },
  "luminance": 0.50055
}

Semantic roles & 50–950 ramp

primary

#81D037

secondary

#57307B

accent

#43E597

background

#FDFEFB

surface

#F8FCF1

border

#D1D5CB

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D037

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

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