#81F251#81F251

#81F251 is a very light, highly saturated green. Relative luminance 0.688; OKLCH L 86.3% C 0.222 H 137.9°. Best body text is #000000 at 14.75:1 contrast (WCAG AA passes).

Color values

HEX	#81F251
RGB	rgb(129, 242, 81)
HSL	hsl(102, 86%, 63%)
HSV	hsv(102, 67%, 95%)
CMYK	cmyk(46.7%, 0%, 66.5%, 5.1%)
CIE-LAB	lab(86.39, -59.61, 65.11)
CIE-LCH	lch(86.39, 88.27, 132.48°)
OKLab	oklab(86.27% -0.1646 0.149)
OKLCH	oklch(86.27% 0.222 137.9)
XYZ	xyz(42.2892, 68.7626, 18.8271)
Luminance	0.6876 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81F251 #C251F2

analogous

#D1F251 #81F251 #51F271

triadic

#81F251 #5181F2 #F25181

tetradic

#81F251 #51D1F2 #C251F2 #F27151

square

#81F251 #51D1F2 #C251F2 #F27151

split-complementary

#81F251 #7151F2 #F251D1

monochromatic

#41BB0E #58EE18 #81F251 #AAF68A #D3FBC3

Accessibility & contrast

On white

1.42

#81F251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.75

#81F251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81F251

14.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81F251	#FFFFFF	#000000	##000000
##81F251	1.00	1.42	14.75	14.75
#FFFFFF	1.42	1.00	21.00	21.00
#000000	14.75	21.00	1.00	1.00
##000000	14.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DE3A

Deuteranopia (green-blind)

#EAD55F

Tritanopia (blue-blind)

#79EAD1

Achromatopsia (no color)

#D8D8D8

Design tokens & code

CSS

--color: #81f251;
/* rgb */ color: rgb(129, 242, 81);
/* oklch */ color: oklch(86.3% 0.222 137.9);

Tailwind

colors: {
  custom: {
    50: '#aef789',
    500: '#81f251',
    950: '#000000',
  },
}

SCSS

$custom: #81f251;
$custom-light: #aef789;
$custom-dark: #000000;

JSON

{
  "hex": "#81f251",
  "rgb": {
    "r": 129,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 102.112,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.86269,
    "c": 0.22207,
    "h": 137.9
  },
  "luminance": 0.68765
}

Semantic roles & 50–950 ramp

primary

#81F251

secondary

#902EB9

accent

#03E3A0

background

#FDFFFC

surface

#F8FFF4

border

#D1D7CE

text

#11170C

muted

#81857F

Preview Lab

Preview with #81F251

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

Preview Lab → · Contrast checker → · Palette generator →