#81D040#81D040

#81D040 is a light, vivid yellow-green. Relative luminance 0.501; OKLCH L 77.9% C 0.192 H 133.9°. Best body text is #000000 at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#81D040
RGB	rgb(129, 208, 64)
HSL	hsl(93, 61%, 53%)
HSV	hsv(93, 69%, 82%)
CMYK	cmyk(38%, 0%, 69.2%, 18.4%)
CIE-LAB	lab(76.16, -47.48, 60.88)
CIE-LCH	lch(76.16, 77.21, 127.95°)
OKLab	oklab(77.85% -0.1329 0.138)
OKLCH	oklch(77.85% 0.192 133.9)
XYZ	xyz(32.5340, 50.1475, 12.8147)
Luminance	0.5015 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D040 #8F40D0

analogous

#C9D040 #81D040 #40D047

triadic

#81D040 #4081D0 #D04081

tetradic

#81D040 #40C9D0 #8F40D0 #D04740

square

#81D040 #40C9D0 #8F40D0 #D04740

split-complementary

#81D040 #4740D0 #D040C9

monochromatic

#46781E #63A92A #81D040 #A1DC71 #C2E8A2

Accessibility & contrast

On white

1.90

#81D040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.03

#81D040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D040

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D040	#FFFFFF	#000000	##000000
##81D040	1.00	1.90	11.03	11.03
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.03	21.00	1.00	1.00
##000000	11.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C02A

Deuteranopia (green-blind)

#CDBA4D

Tritanopia (blue-blind)

#81C8B3

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #81d040;
/* rgb */ color: rgb(129, 208, 64);
/* oklch */ color: oklch(77.9% 0.192 133.9);

Tailwind

colors: {
  custom: {
    50: '#abdf7d',
    500: '#81d040',
    950: '#000000',
  },
}

SCSS

$custom: #81d040;
$custom-light: #abdf7d;
$custom-dark: #000000;

JSON

{
  "hex": "#81d040",
  "rgb": {
    "r": 129,
    "g": 208,
    "b": 64
  },
  "hsl": {
    "h": 92.917,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.77851,
    "c": 0.19162,
    "h": 133.9
  },
  "luminance": 0.50149
}

Semantic roles & 50–950 ramp

primary

#81D040

secondary

#5E3480

accent

#44E49C

background

#FDFEFB

surface

#F7FCF2

border

#D0D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D040

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

Preview Lab → · Contrast checker → · Palette generator →