#51CE7B#51CE7B

#51CE7B is a light, vivid green. Relative luminance 0.473; OKLCH L 76.1% C 0.163 H 151.5°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX#51CE7B
RGBrgb(81, 206, 123)
HSLhsl(140, 56%, 56%)
HSVhsv(140, 61%, 81%)
CMYKcmyk(60.7%, 0%, 40.3%, 19.2%)
CIE-LABlab(74.39, -52.88, 31.24)
CIE-LCHlch(74.39, 61.41, 149.43°)
OKLaboklab(76.11% -0.143 0.0775)
OKLCHoklch(76.11% 0.163 151.5)
XYZxyz(29.0375, 47.3192, 26.3383)
Luminance0.4732 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CE7B #CE51A4
analogous
#66CE51 #51CE7B #51CEBA
triadic
#51CE7B #7B51CE #CE7B51
tetradic
#51CE7B #5166CE #CE51A4 #CEBA51
square
#51CE7B #5166CE #CE51A4 #CEBA51
split-complementary
#51CE7B #BA51CE #CE5166
monochromatic
#248043 #32B05C #51CE7B #81DB9F #B1E9C3

Accessibility & contrast

On white

2.01
#51CE7B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.46
#51CE7B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CE7B
10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CE7B#FFFFFF#000000##000000
##51CE7B1.002.0110.4610.46
#FFFFFF2.011.0021.0021.00
#00000010.4621.001.001.00
##00000010.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFBE75
Deuteranopia (green-blind)
#BEB280
Tritanopia (blue-blind)
#27CBB9
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #51ce7b;
/* rgb */ color: rgb(81, 206, 123);
/* oklch */ color: oklch(76.1% 0.163 151.5);
Tailwind
colors: {
  custom: {
    50: '#8edea2',
    500: '#51ce7b',
    950: '#000000',
  },
}
SCSS
$custom: #51ce7b;
$custom-light: #8edea2;
$custom-dark: #000000;
JSON
{
  "hex": "#51ce7b",
  "rgb": {
    "r": 81,
    "g": 206,
    "b": 123
  },
  "hsl": {
    "h": 140.16,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.76115,
    "c": 0.16266,
    "h": 151.5
  },
  "luminance": 0.47322
}

Semantic roles & 50–950 ramp

primary
#51CE7B
secondary
#D7A4C6
accent
#48ADDF
background
#F9FDFA
surface
#F2FBF3
border
#CCD4CD
text
#0D150F
muted
#7E837F

Preview Lab

Preview with #51CE7B

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

Preview Lab → · Contrast checker → · Palette generator →

#51CE7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva