#51D32B#51D32B

#51D32B is a light, highly saturated green. Relative luminance 0.485; OKLCH L 76.5% C 0.228 H 140.0°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX#51D32B
RGBrgb(81, 211, 43)
HSLhsl(106, 66%, 50%)
HSVhsv(106, 80%, 83%)
CMYKcmyk(61.6%, 0%, 79.6%, 17.3%)
CIE-LABlab(75.15, -63.69, 66.26)
CIE-LCHlch(75.15, 91.90, 133.87°)
OKLaboklab(76.48% -0.1749 0.147)
OKLCHoklch(76.48% 0.228 140)
XYZxyz(27.1224, 48.5097, 10.2190)
Luminance0.4851 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D32B #AD2BD3
analogous
#A5D32B #51D32B #2BD359
triadic
#51D32B #2B51D3 #D32B51
tetradic
#51D32B #2BA5D3 #AD2BD3 #D3592B
square
#51D32B #2BA5D3 #AD2BD3 #D3592B
split-complementary
#51D32B #592BD3 #D32BA5
monochromatic
#2A6D16 #3DA021 #51D32B #7ADE5D #A4E890

Accessibility & contrast

On white

1.96
#51D32B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.70
#51D32B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D32B
10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D32B#FFFFFF#000000##000000
##51D32B1.001.9610.7010.70
#FFFFFF1.961.0021.0021.00
#00000010.7021.001.001.00
##00000010.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9BF00
Deuteranopia (green-blind)
#C9B53F
Tritanopia (blue-blind)
#3FCCB4
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #51d32b;
/* rgb */ color: rgb(81, 211, 43);
/* oklch */ color: oklch(76.5% 0.228 140.0);
Tailwind
colors: {
  custom: {
    50: '#91e272',
    500: '#51d32b',
    950: '#000000',
  },
}
SCSS
$custom: #51d32b;
$custom-light: #91e272;
$custom-dark: #000000;
JSON
{
  "hex": "#51d32b",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 43
  },
  "hsl": {
    "h": 106.429,
    "s": 66.142,
    "l": 49.804
  },
  "oklch": {
    "l": 0.76479,
    "c": 0.22849,
    "h": 140
  },
  "luminance": 0.48512
}

Semantic roles & 50–950 ramp

primary
#51D32B
secondary
#C287D3
accent
#3FE9C3
background
#F9FDF7
surface
#F2FBED
border
#CCD4C8
text
#0E1509
muted
#7E837B

Preview Lab

Preview with #51D32B

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

Preview Lab → · Contrast checker → · Palette generator →

#51D32B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva