#81C737#81C737

#81C737 is a light, vivid yellow-green. Relative luminance 0.458; OKLCH L 75.6% C 0.186 H 132.2°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#81C737
RGB	rgb(129, 199, 55)
HSL	hsl(89, 57%, 50%)
HSV	hsv(89, 72%, 78%)
CMYK	cmyk(35.2%, 0%, 72.4%, 22%)
CIE-LAB	lab(73.41, -44.32, 61.39)
CIE-LCH	lch(73.41, 75.72, 125.83°)
OKLab	oklab(75.58% -0.125 0.1378)
OKLCH	oklch(75.58% 0.186 132.2)
XYZ	xyz(30.1659, 45.7886, 10.8624)
Luminance	0.4579 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81C737 #7D37C7

analogous

#C7C537 #81C737 #39C737

triadic

#81C737 #3781C7 #C73781

tetradic

#81C737 #37C7C5 #7D37C7 #C73739

square

#81C737 #37C7C5 #7D37C7 #C73739

split-complementary

#81C737 #3739C7 #C537C7

monochromatic

#43671C #62972A #81C737 #9FD566 #BDE296

Accessibility & contrast

On white

2.07

#81C737 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.16

#81C737 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81C737

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81C737	#FFFFFF	#000000	##000000
##81C737	1.00	2.07	10.16	10.16
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.16	21.00	1.00	1.00
##000000	10.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB81C

Deuteranopia (green-blind)

#C6B245

Tritanopia (blue-blind)

#82BFAB

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81c737;
/* rgb */ color: rgb(129, 199, 55);
/* oklch */ color: oklch(75.6% 0.186 132.2);

Tailwind

colors: {
  custom: {
    50: '#abd877',
    500: '#81c737',
    950: '#000000',
  },
}

SCSS

$custom: #81c737;
$custom-light: #abd877;
$custom-dark: #000000;

JSON

{
  "hex": "#81c737",
  "rgb": {
    "r": 129,
    "g": 199,
    "b": 55
  },
  "hsl": {
    "h": 89.167,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.75584,
    "c": 0.18607,
    "h": 132.2
  },
  "luminance": 0.4579
}

Semantic roles & 50–950 ramp

primary

#81C737

secondary

#AC8CCD

accent

#48E092

background

#FAFDF7

surface

#F5FAEE

border

#CFD3C9

text

#111409

muted

#80837B

Preview Lab

Preview with #81C737

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

Preview Lab → · Contrast checker → · Palette generator →