#81C83C#81C83C

#81C83C is a light, vivid yellow-green. Relative luminance 0.463; OKLCH L 75.9% C 0.184 H 132.7°. Best body text is #000000 at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#81C83C
RGB	rgb(129, 200, 60)
HSL	hsl(90, 56%, 51%)
HSV	hsv(90, 70%, 78%)
CMYK	cmyk(35.5%, 0%, 70%, 21.6%)
CIE-LAB	lab(73.74, -44.41, 59.91)
CIE-LCH	lch(73.74, 74.57, 126.55°)
OKLab	oklab(75.87% -0.1249 0.1354)
OKLCH	oklch(75.87% 0.184 132.7)
XYZ	xyz(30.5227, 46.3007, 11.6028)
Luminance	0.4630 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C83C #833CC8

analogous

#C7C83C #81C83C #3CC83D

triadic

#81C83C #3C81C8 #C83C81

tetradic

#81C83C #3CC7C8 #833CC8 #C83D3C

square

#81C83C #3CC7C8 #833CC8 #C83D3C

split-complementary

#81C83C #3D3CC8 #C83CC7

monochromatic

#446B1E #639B2C #81C83C #A0D56C #BFE39B

Accessibility & contrast

On white

2.05

#81C83C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.26

#81C83C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C83C

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C83C	#FFFFFF	#000000	##000000
##81C83C	1.00	2.05	10.26	10.26
#FFFFFF	2.05	1.00	21.00	21.00
#000000	10.26	21.00	1.00	1.00
##000000	10.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B925

Deuteranopia (green-blind)

#C6B349

Tritanopia (blue-blind)

#82C0AC

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #81c83c;
/* rgb */ color: rgb(129, 200, 60);
/* oklch */ color: oklch(75.9% 0.184 132.7);

Tailwind

colors: {
  custom: {
    50: '#abd97a',
    500: '#81c83c',
    950: '#000000',
  },
}

SCSS

$custom: #81c83c;
$custom-light: #abd97a;
$custom-dark: #000000;

JSON

{
  "hex": "#81c83c",
  "rgb": {
    "r": 129,
    "g": 200,
    "b": 60
  },
  "hsl": {
    "h": 90.429,
    "s": 56,
    "l": 50.98
  },
  "oklch": {
    "l": 0.75866,
    "c": 0.18421,
    "h": 132.7
  },
  "luminance": 0.46302
}

Semantic roles & 50–950 ramp

primary

#81C83C

secondary

#B091CF

accent

#49DF95

background

#FAFDF7

surface

#F5FAEE

border

#CFD3C9

text

#10140A

muted

#7F837C

Preview Lab

Preview with #81C83C

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

Preview Lab → · Contrast checker → · Palette generator →