#51B33B#51B33B

#51B33B is a light, vivid green. Relative luminance 0.343; OKLCH L 68.3% C 0.182 H 140.2°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX#51B33B
RGBrgb(81, 179, 59)
HSLhsl(109, 50%, 47%)
HSVhsv(109, 67%, 70%)
CMYKcmyk(54.7%, 0%, 67%, 29.8%)
CIE-LABlab(65.20, -51.13, 50.72)
CIE-LCHlch(65.20, 72.02, 135.23°)
OKLaboklab(68.3% -0.1401 0.1166)
OKLCHoklch(68.3% 0.182 140.2)
XYZxyz(20.3020, 34.3036, 9.6882)
Luminance0.3431 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51B33B #9D3BB3
analogous
#8DB33B #51B33B #3BB361
triadic
#51B33B #3B51B3 #B33B51
tetradic
#51B33B #3B8DB3 #9D3BB3 #B3613B
square
#51B33B #3B8DB3 #9D3BB3 #B3613B
split-complementary
#51B33B #613BB3 #B33B8D
monochromatic
#27571D #3C852C #51B33B #74CB60 #9CDA8E

Accessibility & contrast

On white

2.67
#51B33B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.86
#51B33B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B33B
7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51B33B#FFFFFF#000000##000000
##51B33B1.002.677.867.86
#FFFFFF2.671.0021.0021.00
#0000007.8621.001.001.00
##0000007.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8A32B
Deuteranopia (green-blind)
#AB9B46
Tritanopia (blue-blind)
#46AD9A
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #51b33b;
/* rgb */ color: rgb(81, 179, 59);
/* oklch */ color: oklch(68.3% 0.182 140.2);
Tailwind
colors: {
  custom: {
    50: '#8bca77',
    500: '#51b33b',
    950: '#000000',
  },
}
SCSS
$custom: #51b33b;
$custom-light: #8bca77;
$custom-dark: #000000;
JSON
{
  "hex": "#51b33b",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 59
  },
  "hsl": {
    "h": 109,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.68298,
    "c": 0.18231,
    "h": 140.2
  },
  "luminance": 0.34305
}

Semantic roles & 50–950 ramp

primary
#51B33B
secondary
#B985C5
accent
#4EDAC0
background
#F9FCF7
surface
#F1F8ED
border
#CBD1C8
text
#0D1309
muted
#7E827B

Preview Lab

Preview with #51B33B

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

Preview Lab → · Contrast checker → · Palette generator →

#51B33B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva