#51B437#51B437

#51B437 is a light, vivid green. Relative luminance 0.347; OKLCH L 68.5% C 0.186 H 139.8°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX#51B437
RGBrgb(81, 180, 55)
HSLhsl(108, 53%, 46%)
HSVhsv(108, 69%, 71%)
CMYKcmyk(55%, 0%, 69.4%, 29.4%)
CIE-LABlab(65.49, -51.86, 52.64)
CIE-LCHlch(65.49, 73.89, 134.57°)
OKLaboklab(68.52% -0.1424 0.1202)
OKLCHoklch(68.52% 0.186 139.8)
XYZxyz(20.4033, 34.6660, 9.2297)
Luminance0.3467 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B437 #9A37B4
analogous
#8FB437 #51B437 #37B45B
triadic
#51B437 #3751B4 #B43751
tetradic
#51B437 #378FB4 #9A37B4 #B45B37
square
#51B437 #378FB4 #9A37B4 #B45B37
split-complementary
#51B437 #5B37B4 #B4378F
monochromatic
#27561A #3C8529 #51B437 #73CD5B #9BDB8A

Accessibility & contrast

On white

2.65
#51B437 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.93
#51B437 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B437
7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B437#FFFFFF#000000##000000
##51B4371.002.657.937.93
#FFFFFF2.651.0021.0021.00
#0000007.9321.001.001.00
##0000007.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B9A424
Deuteranopia (green-blind)
#AC9C43
Tritanopia (blue-blind)
#46AE9B
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #51b437;
/* rgb */ color: rgb(81, 180, 55);
/* oklch */ color: oklch(68.5% 0.186 139.8);
Tailwind
colors: {
  custom: {
    50: '#8ccb75',
    500: '#51b437',
    950: '#000000',
  },
}
SCSS
$custom: #51b437;
$custom-light: #8ccb75;
$custom-dark: #000000;
JSON
{
  "hex": "#51b437",
  "rgb": {
    "r": 81,
    "g": 180,
    "b": 55
  },
  "hsl": {
    "h": 107.52,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.68523,
    "c": 0.1863,
    "h": 139.8
  },
  "luminance": 0.34668
}

Semantic roles & 50–950 ramp

primary
#51B437
secondary
#B781C6
accent
#4BDDBE
background
#F9FCF7
surface
#F1F9ED
border
#CBD2C8
text
#0D1309
muted
#7E827B

Preview Lab

Preview with #51B437

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

Preview Lab → · Contrast checker → · Palette generator →

#51B437 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva