#81DE52#81DE52

#81DE52 is a light, vivid yellow-green. Relative luminance 0.575; OKLCH L 81.4% C 0.197 H 136.7°. Best body text is #000000 at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#81DE52
RGB	rgb(129, 222, 82)
HSL	hsl(100, 68%, 60%)
HSV	hsv(100, 63%, 87%)
CMYK	cmyk(41.9%, 0%, 63.1%, 12.9%)
CIE-LAB	lab(80.47, -51.73, 58.32)
CIE-LCH	lch(80.47, 77.96, 131.58°)
OKLab	oklab(81.42% -0.1432 0.1348)
OKLCH	oklch(81.42% 0.197 136.7)
XYZ	xyz(36.6965, 57.5168, 17.1492)
Luminance	0.5752 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81DE52 #AF52DE

analogous

#C7DE52 #81DE52 #52DE69

triadic

#81DE52 #5281DE #DE5281

tetradic

#81DE52 #52C7DE #AF52DE #DE6952

square

#81DE52 #52C7DE #AF52DE #DE6952

split-complementary

#81DE52 #6952DE #DE52C7

monochromatic

#47991D #5ECC27 #81DE52 #A6E885 #CCF2B9

Accessibility & contrast

On white

1.68

#81DE52 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.50

#81DE52 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DE52

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81DE52	#FFFFFF	#000000	##000000
##81DE52	1.00	1.68	12.50	12.50
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.50	21.00	1.00	1.00
##000000	12.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD41

Deuteranopia (green-blind)

#D8C55D

Tritanopia (blue-blind)

#7DD6C1

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #81de52;
/* rgb */ color: rgb(129, 222, 82);
/* oklch */ color: oklch(81.4% 0.197 136.7);

Tailwind

colors: {
  custom: {
    50: '#ace988',
    500: '#81de52',
    950: '#000000',
  },
}

SCSS

$custom: #81de52;
$custom-light: #ace988;
$custom-dark: #000000;

JSON

{
  "hex": "#81de52",
  "rgb": {
    "r": 129,
    "g": 222,
    "b": 82
  },
  "hsl": {
    "h": 99.857,
    "s": 67.961,
    "l": 59.608
  },
  "oklch": {
    "l": 0.8142,
    "c": 0.19667,
    "h": 136.7
  },
  "luminance": 0.57519
}

Semantic roles & 50–950 ramp

primary

#81DE52

secondary

#7B389D

accent

#3DEBB0

background

#FDFEFC

surface

#F8FDF4

border

#D1D5CE

text

#11160C

muted

#81847F

Preview Lab

Preview with #81DE52

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

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