#81C131#81C131

#81C131 is a light, vivid yellow-green. Relative luminance 0.430; OKLCH L 74.1% C 0.182 H 131.0°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#81C131
RGB	rgb(129, 193, 49)
HSL	hsl(87, 60%, 47%)
HSV	hsv(87, 75%, 76%)
CMYK	cmyk(33.2%, 0%, 74.6%, 24.3%)
CIE-LAB	lab(71.57, -42.12, 61.67)
CIE-LCH	lch(71.57, 74.68, 124.33°)
OKLab	oklab(74.08% -0.1195 0.1375)
OKLCH	oklch(74.08% 0.182 131)
XYZ	xyz(28.6774, 43.0278, 9.6994)
Luminance	0.4303 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C131 #7131C1

analogous

#C1B931 #81C131 #39C131

triadic

#81C131 #3181C1 #C13181

tetradic

#81C131 #31C1B9 #7131C1 #C13139

square

#81C131 #31C1B9 #7131C1 #C13139

split-complementary

#81C131 #3139C1 #B931C1

monochromatic

#405F18 #609025 #81C131 #9ED55A #BBE28B

Accessibility & contrast

On white

2.19

#81C131 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#81C131 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C131

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C131	#FFFFFF	#000000	##000000
##81C131	1.00	2.19	9.61	9.61
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB211

Deuteranopia (green-blind)

#C1AE3F

Tritanopia (blue-blind)

#84B9A6

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #81c131;
/* rgb */ color: rgb(129, 193, 49);
/* oklch */ color: oklch(74.1% 0.182 131.0);

Tailwind

colors: {
  custom: {
    50: '#aad473',
    500: '#81c131',
    950: '#000000',
  },
}

SCSS

$custom: #81c131;
$custom-light: #aad473;
$custom-dark: #000000;

JSON

{
  "hex": "#81c131",
  "rgb": {
    "r": 129,
    "g": 193,
    "b": 49
  },
  "hsl": {
    "h": 86.667,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.74077,
    "c": 0.18216,
    "h": 131
  },
  "luminance": 0.43029
}

Semantic roles & 50–950 ramp

primary

#81C131

secondary

#A382CC

accent

#45E38B

background

#FAFDF7

surface

#F5FAED

border

#CFD3C8

text

#111409

muted

#80837B

Preview Lab

Preview with #81C131

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

Preview Lab → · Contrast checker → · Palette generator →