#51CB5C#51CB5C

#51CB5C is a light, vivid green. Relative luminance 0.452; OKLCH L 74.9% C 0.187 H 145.0°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX#51CB5C
RGBrgb(81, 203, 92)
HSLhsl(125, 54%, 56%)
HSVhsv(125, 60%, 80%)
CMYKcmyk(60.1%, 0%, 54.7%, 20.4%)
CIE-LABlab(73.04, -56.43, 44.89)
CIE-LCHlch(73.04, 72.11, 141.50°)
OKLaboklab(74.87% -0.1529 0.1071)
OKLCHoklch(74.87% 0.187 145)
XYZxyz(26.6794, 45.2314, 17.4477)
Luminance0.4523 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CB5C #CB51C0
analogous
#83CB51 #51CB5C #51CB99
triadic
#51CB5C #5C51CB #CB5C51
tetradic
#51CB5C #5183CB #CB51C0 #CB9951
square
#51CB5C #5183CB #CB51C0 #CB9951
split-complementary
#51CB5C #9951CB #CB5183
monochromatic
#257C2D #33AC3E #51CB5C #80D988 #AFE7B4

Accessibility & contrast

On white

2.09
#51CB5C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.05
#51CB5C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB5C
10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CB5C#FFFFFF#000000##000000
##51CB5C1.002.0910.0510.05
#FFFFFF2.091.0021.0021.00
#00000010.0521.001.001.00
##00000010.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#CEBA52
Deuteranopia (green-blind)
#BFAF64
Tritanopia (blue-blind)
#37C6B2
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #51cb5c;
/* rgb */ color: rgb(81, 203, 92);
/* oklch */ color: oklch(74.9% 0.187 145.0);
Tailwind
colors: {
  custom: {
    50: '#8edc8d',
    500: '#51cb5c',
    950: '#000000',
  },
}
SCSS
$custom: #51cb5c;
$custom-light: #8edc8d;
$custom-dark: #000000;
JSON
{
  "hex": "#51cb5c",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 92
  },
  "hsl": {
    "h": 125.41,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74866,
    "c": 0.18668,
    "h": 145
  },
  "luminance": 0.45234
}

Semantic roles & 50–950 ramp

primary
#51CB5C
secondary
#D5A3D1
accent
#4AD0DD
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0D150C
muted
#7E837D

Preview Lab

Preview with #51CB5C

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

Preview Lab → · Contrast checker → · Palette generator →

#51CB5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva