#51BB5C#51BB5C

#51BB5C is a light, vivid green. Relative luminance 0.381; OKLCH L 70.8% C 0.166 H 145.5°. Best body text is #000000 at 8.61:1 contrast (WCAG AA passes).

Color values

HEX#51BB5C
RGBrgb(81, 187, 92)
HSLhsl(126, 44%, 53%)
HSVhsv(126, 57%, 73%)
CMYKcmyk(56.7%, 0%, 50.8%, 26.7%)
CIE-LABlab(68.07, -50.35, 38.85)
CIE-LCHlch(68.07, 63.59, 142.35°)
OKLaboklab(70.77% -0.1364 0.0938)
OKLCHoklch(70.77% 0.166 145.5)
XYZxyz(23.0940, 38.0606, 16.2526)
Luminance0.3806 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BB5C #BB51B0
analogous
#7BBB51 #51BB5C #51BB91
triadic
#51BB5C #5C51BB #BB5C51
tetradic
#51BB5C #517BBB #BB51B0 #BB9151
square
#51BB5C #517BBB #BB51B0 #BB9151
split-complementary
#51BB5C #9151BB #BB517B
monochromatic
#296930 #3A9544 #51BB5C #7DCC85 #A9DDAE

Accessibility & contrast

On white

2.44
#51BB5C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.61
#51BB5C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB5C
8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BB5C#FFFFFF#000000##000000
##51BB5C1.002.448.618.61
#FFFFFF2.441.0021.0021.00
#0000008.6121.001.001.00
##0000008.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEAC54
Deuteranopia (green-blind)
#B0A263
Tritanopia (blue-blind)
#3DB7A5
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #51bb5c;
/* rgb */ color: rgb(81, 187, 92);
/* oklch */ color: oklch(70.8% 0.166 145.5);
Tailwind
colors: {
  custom: {
    50: '#8bd08c',
    500: '#51bb5c',
    950: '#000000',
  },
}
SCSS
$custom: #51bb5c;
$custom-light: #8bd08c;
$custom-dark: #000000;
JSON
{
  "hex": "#51bb5c",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 92
  },
  "hsl": {
    "h": 126.226,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.70767,
    "c": 0.16556,
    "h": 145.5
  },
  "luminance": 0.38063
}

Semantic roles & 50–950 ramp

primary
#51BB5C
secondary
#CB9DC6
accent
#54C6D4
background
#F9FCF8
surface
#F1F9F0
border
#CBD2CB
text
#0D140C
muted
#7E827D

Preview Lab

Preview with #51BB5C

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

Preview Lab → · Contrast checker → · Palette generator →

#51BB5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva