#81C843#81C843

#81C843 is a light, vivid yellow-green. Relative luminance 0.464; OKLCH L 75.9% C 0.179 H 133.2°. Best body text is #000000 at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#81C843
RGB	rgb(129, 200, 67)
HSL	hsl(92, 55%, 52%)
HSV	hsv(92, 67%, 78%)
CMYK	cmyk(35.5%, 0%, 66.5%, 21.6%)
CIE-LAB	lab(73.79, -43.90, 57.24)
CIE-LCH	lch(73.79, 72.13, 127.48°)
OKLab	oklab(75.92% -0.1229 0.1308)
OKLCH	oklch(75.92% 0.179 133.2)
XYZ	xyz(30.7202, 46.3796, 12.6426)
Luminance	0.4638 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C843 #8A43C8

analogous

#C4C843 #81C843 #43C847

triadic

#81C843 #4381C8 #C84381

tetradic

#81C843 #43C4C8 #8A43C8 #C84743

square

#81C843 #43C4C8 #8A43C8 #C84743

split-complementary

#81C843 #4743C8 #C843C4

monochromatic

#467021 #639F2F #81C843 #A1D672 #C0E4A2

Accessibility & contrast

On white

2.04

#81C843 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.28

#81C843 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C843

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C843	#FFFFFF	#000000	##000000
##81C843	1.00	2.04	10.28	10.28
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.28	21.00	1.00	1.00
##000000	10.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B931

Deuteranopia (green-blind)

#C6B34E

Tritanopia (blue-blind)

#81C0AD

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #81c843;
/* rgb */ color: rgb(129, 200, 67);
/* oklch */ color: oklch(75.9% 0.179 133.2);

Tailwind

colors: {
  custom: {
    50: '#aad97e',
    500: '#81c843',
    950: '#000000',
  },
}

SCSS

$custom: #81c843;
$custom-light: #aad97e;
$custom-dark: #000000;

JSON

{
  "hex": "#81c843",
  "rgb": {
    "r": 129,
    "g": 200,
    "b": 67
  },
  "hsl": {
    "h": 92.03,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.75924,
    "c": 0.17947,
    "h": 133.2
  },
  "luminance": 0.46381
}

Semantic roles & 50–950 ramp

primary

#81C843

secondary

#B596D0

accent

#4ADE99

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#10140A

muted

#7F837C

Preview Lab

Preview with #81C843

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

Preview Lab → · Contrast checker → · Palette generator →