#81D031#81D031

#81D031 is a light, highly saturated yellow-green. Relative luminance 0.500; OKLCH L 77.7% C 0.200 H 133.0°. Best body text is #000000 at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#81D031
RGB	rgb(129, 208, 49)
HSL	hsl(90, 63%, 50%)
HSV	hsv(90, 76%, 82%)
CMYK	cmyk(38%, 0%, 76.4%, 18.4%)
CIE-LAB	lab(76.07, -48.42, 65.98)
CIE-LCH	lch(76.07, 81.85, 126.27°)
OKLab	oklab(77.75% -0.1365 0.1466)
OKLCH	oklch(77.75% 0.2 133)
XYZ	xyz(32.1631, 49.9991, 10.8613)
Luminance	0.5000 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D031 #8031D0

analogous

#D0CF31 #81D031 #32D031

triadic

#81D031 #3181D0 #D03181

tetradic

#81D031 #31D0CF #8031D0 #D03132

square

#81D031 #31D0CF #8031D0 #D03132

split-complementary

#81D031 #3132D0 #CF31D0

monochromatic

#446E19 #629F24 #81D031 #9FDB63 #BEE795

Accessibility & contrast

On white

1.91

#81D031 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.00

#81D031 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D031

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D031	#FFFFFF	#000000	##000000
##81D031	1.00	1.91	11.00	11.00
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.00	21.00	1.00	1.00
##000000	11.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C004

Deuteranopia (green-blind)

#CEB942

Tritanopia (blue-blind)

#82C8B2

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #81d031;
/* rgb */ color: rgb(129, 208, 49);
/* oklch */ color: oklch(77.7% 0.200 133.0);

Tailwind

colors: {
  custom: {
    50: '#acdf75',
    500: '#81d031',
    950: '#000000',
  },
}

SCSS

$custom: #81d031;
$custom-light: #acdf75;
$custom-dark: #000000;

JSON

{
  "hex": "#81d031",
  "rgb": {
    "r": 129,
    "g": 208,
    "b": 49
  },
  "hsl": {
    "h": 89.811,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.77747,
    "c": 0.20029,
    "h": 133
  },
  "luminance": 0.50001
}

Semantic roles & 50–950 ramp

primary

#81D031

secondary

#522E77

accent

#42E693

background

#FDFEFB

surface

#F8FCF1

border

#D1D5CB

text

#111509

muted

#81847D

Preview Lab

Preview with #81D031

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

Preview Lab → · Contrast checker → · Palette generator →