#81CC37#81CC37

#81CC37 is a light, vivid yellow-green. Relative luminance 0.481; OKLCH L 76.8% C 0.192 H 132.8°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#81CC37
RGB	rgb(129, 204, 55)
HSL	hsl(90, 59%, 51%)
HSV	hsv(90, 73%, 80%)
CMYK	cmyk(36.8%, 0%, 73%, 20%)
CIE-LAB	lab(74.91, -46.42, 62.88)
CIE-LCH	lch(74.91, 78.16, 126.44°)
OKLab	oklab(76.81% -0.1307 0.141)
OKLCH	oklch(76.81% 0.192 132.8)
XYZ	xyz(31.3353, 48.1273, 11.2521)
Luminance	0.4813 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CC37 #8237CC

analogous

#CCCC37 #81CC37 #37CC37

triadic

#81CC37 #3781CC #CC3781

tetradic

#81CC37 #37CCCC #8237CC #CC3737

square

#81CC37 #37CCCC #8237CC #CC3737

split-complementary

#81CC37 #3737CC #CC37CC

monochromatic

#446D1C #639E28 #81CC37 #A0D868 #BEE599

Accessibility & contrast

On white

1.98

#81CC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#81CC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CC37

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CC37	#FFFFFF	#000000	##000000
##81CC37	1.00	1.98	10.63	10.63
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC1A

Deuteranopia (green-blind)

#CAB645

Tritanopia (blue-blind)

#82C4AF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cc37;
/* rgb */ color: rgb(129, 204, 55);
/* oklch */ color: oklch(76.8% 0.192 132.8);

Tailwind

colors: {
  custom: {
    50: '#abdc78',
    500: '#81cc37',
    950: '#000000',
  },
}

SCSS

$custom: #81cc37;
$custom-light: #abdc78;
$custom-dark: #000000;

JSON

{
  "hex": "#81cc37",
  "rgb": {
    "r": 129,
    "g": 204,
    "b": 55
  },
  "hsl": {
    "h": 90.201,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.76807,
    "c": 0.19222,
    "h": 132.8
  },
  "luminance": 0.48129
}

Semantic roles & 50–950 ramp

primary

#81CC37

secondary

#B08ED0

accent

#45E394

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#111509

muted

#80837B

Preview Lab

Preview with #81CC37

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

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