#51AE37#51AE37

#51AE37 is a light, vivid green. Relative luminance 0.323; OKLCH L 67.0% C 0.179 H 139.6°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX#51AE37
RGBrgb(81, 174, 55)
HSLhsl(107, 52%, 45%)
HSVhsv(107, 68%, 68%)
CMYKcmyk(53.4%, 0%, 68.4%, 31.8%)
CIE-LABlab(63.59, -49.58, 50.63)
CIE-LCHlch(63.59, 70.86, 134.40°)
OKLaboklab(66.96% -0.1362 0.116)
OKLCHoklch(66.96% 0.179 139.6)
XYZxyz(19.2182, 32.2958, 8.8347)
Luminance0.3230 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AE37 #9437AE
analogous
#8CAE37 #51AE37 #37AE59
triadic
#51AE37 #3751AE #AE3751
tetradic
#51AE37 #378CAE #9437AE #AE5937
square
#51AE37 #378CAE #9437AE #AE5937
split-complementary
#51AE37 #5937AE #AE378C
monochromatic
#26511A #3B7F28 #51AE37 #71CA58 #98D986

Accessibility & contrast

On white

2.82
#51AE37 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.46
#51AE37 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AE37
7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AE37#FFFFFF#000000##000000
##51AE371.002.827.467.46
#FFFFFF2.821.0021.0021.00
#0000007.4621.001.001.00
##0000007.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B39F26
Deuteranopia (green-blind)
#A79742
Tritanopia (blue-blind)
#48A896
Achromatopsia (no color)
#9A9A9A

Design tokens & code

CSS
--color: #51ae37;
/* rgb */ color: rgb(81, 174, 55);
/* oklch */ color: oklch(67.0% 0.179 139.6);
Tailwind
colors: {
  custom: {
    50: '#8bc774',
    500: '#51ae37',
    950: '#000000',
  },
}
SCSS
$custom: #51ae37;
$custom-light: #8bc774;
$custom-dark: #000000;
JSON
{
  "hex": "#51ae37",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 55
  },
  "hsl": {
    "h": 106.891,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.66957,
    "c": 0.17886,
    "h": 139.6
  },
  "luminance": 0.32297
}

Semantic roles & 50–950 ramp

primary
#51AE37
secondary
#B47EC3
accent
#4CDBBC
background
#F9FCF7
surface
#F1F8ED
border
#CBD1C8
text
#0D1309
muted
#7E827B

Preview Lab

Preview with #51AE37

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

Preview Lab → · Contrast checker → · Palette generator →

#51AE37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva