#81CC38#81CC38

#81CC38 is a light, vivid yellow-green. Relative luminance 0.481; OKLCH L 76.8% C 0.192 H 132.9°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#81CC38
RGB	rgb(129, 204, 56)
HSL	hsl(90, 59%, 51%)
HSV	hsv(90, 73%, 80%)
CMYK	cmyk(36.8%, 0%, 72.5%, 20%)
CIE-LAB	lab(74.91, -46.36, 62.54)
CIE-LCH	lch(74.91, 77.85, 126.55°)
OKLab	oklab(76.81% -0.1304 0.1404)
OKLCH	oklch(76.81% 0.192 132.9)
XYZ	xyz(31.3595, 48.1370, 11.3797)
Luminance	0.4814 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81CC38 #8338CC

analogous

#CBCC38 #81CC38 #38CC39

triadic

#81CC38 #3881CC #CC3881

tetradic

#81CC38 #38CBCC #8338CC #CC3938

square

#81CC38 #38CBCC #8338CC #CC3938

split-complementary

#81CC38 #3938CC #CC38CB

monochromatic

#446E1C #639E29 #81CC38 #A0D869 #BFE599

Accessibility & contrast

On white

1.98

#81CC38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#81CC38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81CC38

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81CC38	#FFFFFF	#000000	##000000
##81CC38	1.00	1.98	10.63	10.63
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC1C

Deuteranopia (green-blind)

#CAB646

Tritanopia (blue-blind)

#82C4AF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81cc38;
/* rgb */ color: rgb(129, 204, 56);
/* oklch */ color: oklch(76.8% 0.192 132.9);

Tailwind

colors: {
  custom: {
    50: '#abdc78',
    500: '#81cc38',
    950: '#000000',
  },
}

SCSS

$custom: #81cc38;
$custom-light: #abdc78;
$custom-dark: #000000;

JSON

{
  "hex": "#81cc38",
  "rgb": {
    "r": 129,
    "g": 204,
    "b": 56
  },
  "hsl": {
    "h": 90.405,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.76814,
    "c": 0.19163,
    "h": 132.9
  },
  "luminance": 0.48138
}

Semantic roles & 50–950 ramp

primary

#81CC38

secondary

#B08FD1

accent

#45E295

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#11150A

muted

#80837C

Preview Lab

Preview with #81CC38

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

Preview Lab → · Contrast checker → · Palette generator →