#81C842#81C842

#81C842 is a light, vivid yellow-green. Relative luminance 0.464; OKLCH L 75.9% C 0.180 H 133.1°. Best body text is #000000 at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#81C842
RGB	rgb(129, 200, 66)
HSL	hsl(92, 55%, 52%)
HSV	hsv(92, 67%, 78%)
CMYK	cmyk(35.5%, 0%, 67%, 21.6%)
CIE-LAB	lab(73.78, -43.97, 57.63)
CIE-LCH	lch(73.78, 72.49, 127.34°)
OKLab	oklab(75.91% -0.1232 0.1315)
OKLCH	oklch(75.91% 0.18 133.1)
XYZ	xyz(30.6904, 46.3677, 12.4860)
Luminance	0.4637 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C842 #8942C8

analogous

#C4C842 #81C842 #42C846

triadic

#81C842 #4281C8 #C84281

tetradic

#81C842 #42C4C8 #8942C8 #C84642

square

#81C842 #42C4C8 #8942C8 #C84642

split-complementary

#81C842 #4642C8 #C842C4

monochromatic

#456F20 #639F2E #81C842 #A1D671 #C0E4A1

Accessibility & contrast

On white

2.04

#81C842 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.27

#81C842 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C842

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C842	#FFFFFF	#000000	##000000
##81C842	1.00	2.04	10.27	10.27
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.27	21.00	1.00	1.00
##000000	10.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B92F

Deuteranopia (green-blind)

#C6B34D

Tritanopia (blue-blind)

#82C0AD

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #81c842;
/* rgb */ color: rgb(129, 200, 66);
/* oklch */ color: oklch(75.9% 0.180 133.1);

Tailwind

colors: {
  custom: {
    50: '#aad97d',
    500: '#81c842',
    950: '#000000',
  },
}

SCSS

$custom: #81c842;
$custom-light: #aad97d;
$custom-dark: #000000;

JSON

{
  "hex": "#81c842",
  "rgb": {
    "r": 129,
    "g": 200,
    "b": 66
  },
  "hsl": {
    "h": 91.791,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.75915,
    "c": 0.18018,
    "h": 133.1
  },
  "luminance": 0.46369
}

Semantic roles & 50–950 ramp

primary

#81C842

secondary

#B596D0

accent

#4ADE98

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#10140A

muted

#7F837C

Preview Lab

Preview with #81C842

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

Preview Lab → · Contrast checker → · Palette generator →