#81FC5B#81FC5B

#81FC5B is a very light, highly saturated green. Relative luminance 0.750; OKLCH L 88.8% C 0.227 H 139.1°. Best body text is #000000 at 16.01:1 contrast (WCAG AA passes).

Color values

HEX#81FC5B
RGBrgb(129, 252, 91)
HSLhsl(106, 96%, 67%)
HSVhsv(106, 64%, 99%)
CMYKcmyk(48.8%, 0%, 63.9%, 1.2%)
CIE-LABlab(89.41, -62.51, 64.44)
CIE-LCHlch(89.41, 89.78, 134.13°)
OKLaboklab(88.78% -0.1719 0.1488)
OKLCHoklch(88.78% 0.227 139.1)
XYZxyz(45.7502, 75.0400, 21.9689)
Luminance0.7504 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81FC5B #D65BFC
analogous
#D1FC5B #81FC5B #5BFC86
triadic
#81FC5B #5B81FC #FC5B81
tetradic
#81FC5B #5BD1FC #D65BFC #FC865B
square
#81FC5B #5BD1FC #D65BFC #FC865B
split-complementary
#81FC5B #865BFC #FC5BD1
monochromatic
#36D904 #53FB1F #81FC5B #AFFD97 #DDFED3

Accessibility & contrast

On white

1.31
#81FC5B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.01
#81FC5B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81FC5B
16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81FC5B#FFFFFF#000000##000000
##81FC5B1.001.3116.0116.01
#FFFFFF1.311.0021.0021.00
#00000016.0121.001.001.00
##00000016.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFE747
Deuteranopia (green-blind)
#F3DD69
Tritanopia (blue-blind)
#76F4DB
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #81fc5b;
/* rgb */ color: rgb(129, 252, 91);
/* oklch */ color: oklch(88.8% 0.227 139.1);
Tailwind
colors: {
  custom: {
    50: '#affe90',
    500: '#81fc5b',
    950: '#000000',
  },
}
SCSS
$custom: #81fc5b;
$custom-light: #affe90;
$custom-dark: #000000;
JSON
{
  "hex": "#81fc5b",
  "rgb": {
    "r": 129,
    "g": 252,
    "b": 91
  },
  "hsl": {
    "h": 105.839,
    "s": 96.407,
    "l": 67.255
  },
  "oklch": {
    "l": 0.88779,
    "c": 0.22731,
    "h": 139.1
  },
  "luminance": 0.75043
}

Semantic roles & 50–950 ramp

primary
#81FC5B
secondary
#AA29D2
accent
#00E6AF
background
#FDFFFC
surface
#F8FFF4
border
#D1D7CE
text
#11180D
muted
#81867F

Preview Lab

Preview with #81FC5B

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

Preview Lab → · Contrast checker → · Palette generator →

#81FC5B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva