#51C643#51C643

#51C643 is a light, highly saturated green. Relative luminance 0.425; OKLCH L 73.3% C 0.200 H 141.6°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX#51C643
RGBrgb(81, 198, 67)
HSLhsl(114, 53%, 52%)
HSVhsv(114, 66%, 78%)
CMYKcmyk(59.1%, 0%, 66.2%, 22.4%)
CIE-LABlab(71.24, -57.40, 53.94)
CIE-LCHlch(71.24, 78.77, 136.78°)
OKLaboklab(73.3% -0.1567 0.1243)
OKLCHoklch(73.3% 0.2 141.6)
XYZxyz(24.5993, 42.5405, 12.2239)
Luminance0.4254 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51C643 #B843C6
analogous
#92C643 #51C643 #43C677
triadic
#51C643 #4351C6 #C64351
tetradic
#51C643 #4392C6 #B843C6 #C67743
square
#51C643 #4392C6 #B843C6 #C67743
split-complementary
#51C643 #7743C6 #C64392
monochromatic
#296D21 #3B9C2F #51C643 #7CD472 #A8E2A1

Accessibility & contrast

On white

2.21
#51C643 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.51
#51C643 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C643
9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51C643#FFFFFF#000000##000000
##51C6431.002.219.519.51
#FFFFFF2.211.0021.0021.00
#0000009.5121.001.001.00
##0000009.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBB432
Deuteranopia (green-blind)
#BCAB4F
Tritanopia (blue-blind)
#3FC0AB
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #51c643;
/* rgb */ color: rgb(81, 198, 67);
/* oklch */ color: oklch(73.3% 0.200 141.6);
Tailwind
colors: {
  custom: {
    50: '#8ed87d',
    500: '#51c643',
    950: '#000000',
  },
}
SCSS
$custom: #51c643;
$custom-light: #8ed87d;
$custom-dark: #000000;
JSON
{
  "hex": "#51c643",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 67
  },
  "hsl": {
    "h": 113.588,
    "s": 53.469,
    "l": 51.961
  },
  "oklch": {
    "l": 0.733,
    "c": 0.2,
    "h": 141.6
  },
  "luminance": 0.42543
}

Semantic roles & 50–950 ramp

primary
#51C643
secondary
#C996CF
accent
#4BDDCD
background
#F9FDF7
surface
#F2FAEE
border
#CCD3C9
text
#0D150A
muted
#7E837C

Preview Lab

Preview with #51C643

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

Preview Lab → · Contrast checker → · Palette generator →

#51C643 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva