#81D541#81D541

#81D541 is a light, vivid yellow-green. Relative luminance 0.526; OKLCH L 79.1% C 0.197 H 134.5°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#81D541
RGB	rgb(129, 213, 65)
HSL	hsl(94, 64%, 55%)
HSV	hsv(94, 69%, 84%)
CMYK	cmyk(39.4%, 0%, 69.5%, 16.5%)
CIE-LAB	lab(77.66, -49.46, 62.05)
CIE-LCH	lch(77.66, 79.35, 128.56°)
OKLab	oklab(79.08% -0.1382 0.1406)
OKLCH	oklch(79.08% 0.197 134.5)
XYZ	xyz(33.8010, 52.6356, 13.3787)
Luminance	0.5264 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D541 #9541D5

analogous

#CBD541 #81D541 #41D54B

triadic

#81D541 #4181D5 #D54181

tetradic

#81D541 #41CBD5 #9541D5 #D54B41

square

#81D541 #41CBD5 #9541D5 #D54B41

split-complementary

#81D541 #4B41D5 #D541CB

monochromatic

#477F1C #63B227 #81D541 #A2E073 #C3EBA5

Accessibility & contrast

On white

1.82

#81D541 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#81D541 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D541

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D541	#FFFFFF	#000000	##000000
##81D541	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC42A

Deuteranopia (green-blind)

#D2BD4F

Tritanopia (blue-blind)

#80CDB8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #81d541;
/* rgb */ color: rgb(129, 213, 65);
/* oklch */ color: oklch(79.1% 0.197 134.5);

Tailwind

colors: {
  custom: {
    50: '#abe27e',
    500: '#81d541',
    950: '#000000',
  },
}

SCSS

$custom: #81d541;
$custom-light: #abe27e;
$custom-dark: #000000;

JSON

{
  "hex": "#81d541",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 65
  },
  "hsl": {
    "h": 94.054,
    "s": 63.793,
    "l": 54.51
  },
  "oklch": {
    "l": 0.79079,
    "c": 0.19716,
    "h": 134.5
  },
  "luminance": 0.52637
}

Semantic roles & 50–950 ramp

primary

#81D541

secondary

#633487

accent

#41E79F

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#11150A

muted

#81847D

Preview Lab

Preview with #81D541

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

Preview Lab → · Contrast checker → · Palette generator →