#51CF66#51CF66

#51CF66 is a light, vivid green. Relative luminance 0.473; OKLCH L 76.0% C 0.183 H 146.6°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX#51CF66
RGBrgb(81, 207, 102)
HSLhsl(130, 57%, 56%)
HSVhsv(130, 61%, 81%)
CMYKcmyk(60.9%, 0%, 50.7%, 18.8%)
CIE-LABlab(74.40, -56.56, 41.75)
CIE-LCHlch(74.40, 70.30, 143.57°)
OKLaboklab(76.02% -0.1529 0.1008)
OKLCHoklch(76.02% 0.183 146.6)
XYZxyz(28.1026, 47.3316, 20.2227)
Luminance0.4733 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CF66 #CF51BA
analogous
#7BCF51 #51CF66 #51CFA5
triadic
#51CF66 #6651CF #CF6651
tetradic
#51CF66 #517BCF #CF51BA #CFA551
square
#51CF66 #517BCF #CF51BA #CFA551
split-complementary
#51CF66 #A551CF #CF517B
monochromatic
#248233 #31B246 #51CF66 #81DC90 #B1E9BA

Accessibility & contrast

On white

2.01
#51CF66 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.47
#51CF66 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF66
10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CF66#FFFFFF#000000##000000
##51CF661.002.0110.4710.47
#FFFFFF2.011.0021.0021.00
#00000010.4721.001.001.00
##00000010.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BE5D
Deuteranopia (green-blind)
#C2B36E
Tritanopia (blue-blind)
#32CBB7
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #51cf66;
/* rgb */ color: rgb(81, 207, 102);
/* oklch */ color: oklch(76.0% 0.183 146.6);
Tailwind
colors: {
  custom: {
    50: '#8edf94',
    500: '#51cf66',
    950: '#000000',
  },
}
SCSS
$custom: #51cf66;
$custom-light: #8edf94;
$custom-dark: #000000;
JSON
{
  "hex": "#51cf66",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 102
  },
  "hsl": {
    "h": 130,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.76024,
    "c": 0.18317,
    "h": 146.6
  },
  "luminance": 0.47334
}

Semantic roles & 50–950 ramp

primary
#51CF66
secondary
#D8A4CF
accent
#48C7E0
background
#F9FDF9
surface
#F2FBF1
border
#CCD4CB
text
#0D150D
muted
#7E837E

Preview Lab

Preview with #51CF66

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

Preview Lab → · Contrast checker → · Palette generator →

#51CF66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva