#51FF8A#51FF8A

#51FF8A is a very light, highly saturated green. Relative luminance 0.751; OKLCH L 88.6% C 0.213 H 150.2°. Best body text is #000000 at 16.02:1 contrast (WCAG AA passes).

Color values

HEX#51FF8A
RGBrgb(81, 255, 138)
HSLhsl(140, 100%, 66%)
HSVhsv(140, 68%, 100%)
CMYKcmyk(68.2%, 0%, 45.9%, 0%)
CIE-LABlab(89.44, -68.46, 43.20)
CIE-LCHlch(89.44, 80.95, 147.75°)
OKLaboklab(88.58% -0.1844 0.1057)
OKLCHoklch(88.58% 0.213 150.2)
XYZxyz(43.7373, 75.0995, 36.2305)
Luminance0.7510 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51FF8A #FF51C6
analogous
#6FFF51 #51FF8A #51FFE1
triadic
#51FF8A #8A51FF #FF8A51
tetradic
#51FF8A #516FFF #FF51C6 #FFE151
square
#51FF8A #516FFF #FF51C6 #FFE151
split-complementary
#51FF8A #E151FF #FF516F
monochromatic
#00D646 #14FF61 #51FF8A #8EFFB3 #CBFFDC

Accessibility & contrast

On white

1.31
#51FF8A on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

16.02
#51FF8A on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51FF8A
16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51FF8A#FFFFFF#000000##000000
##51FF8A1.001.3116.0216.02
#FFFFFF1.311.0021.0021.00
#00000016.0221.001.001.00
##00000016.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#FFEA81
Deuteranopia (green-blind)
#EBDB92
Tritanopia (blue-blind)
#00FBE3
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #51ff8a;
/* rgb */ color: rgb(81, 255, 138);
/* oklch */ color: oklch(88.6% 0.213 150.2);
Tailwind
colors: {
  custom: {
    50: '#96ffae',
    500: '#51ff8a',
    950: '#000000',
  },
}
SCSS
$custom: #51ff8a;
$custom-light: #96ffae;
$custom-dark: #000000;
JSON
{
  "hex": "#51ff8a",
  "rgb": {
    "r": 81,
    "g": 255,
    "b": 138
  },
  "hsl": {
    "h": 139.655,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.88581,
    "c": 0.21254,
    "h": 150.2
  },
  "luminance": 0.75104
}

Semantic roles & 50–950 ramp

primary
#51FF8A
secondary
#D02598
accent
#009AE6
background
#FCFFFD
surface
#F5FFF7
border
#CFD7D0
text
#0F1810
muted
#808681

Preview Lab

Preview with #51FF8A

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

Preview Lab → · Contrast checker → · Palette generator →

#51FF8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva