#51BD28#51BD28

#51BD28 is a light, highly saturated green. Relative luminance 0.383; OKLCH L 70.8% C 0.205 H 139.0°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#51BD28
RGBrgb(81, 189, 40)
HSLhsl(103, 65%, 45%)
HSVhsv(103, 79%, 74%)
CMYKcmyk(57.1%, 0%, 78.8%, 25.9%)
CIE-LABlab(68.24, -56.23, 60.64)
CIE-LCHlch(68.24, 82.69, 132.84°)
OKLaboklab(70.76% -0.155 0.1348)
OKLCHoklch(70.76% 0.205 139)
XYZxyz(21.9731, 38.2958, 8.2410)
Luminance0.3830 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BD28 #9428BD
analogous
#9CBD28 #51BD28 #28BD49
triadic
#51BD28 #2851BD #BD2851
tetradic
#51BD28 #289CBD #9428BD #BD4928
square
#51BD28 #289CBD #9428BD #BD4928
split-complementary
#51BD28 #4928BD #BD289C
monochromatic
#265813 #3B8A1D #51BD28 #71D94A #98E37C

Accessibility & contrast

On white

2.43
#51BD28 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.66
#51BD28 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD28
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BD28#FFFFFF#000000##000000
##51BD281.002.438.668.66
#FFFFFF2.431.0021.0021.00
#0000008.6621.001.001.00
##0000008.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3AC00
Deuteranopia (green-blind)
#B5A339
Tritanopia (blue-blind)
#46B6A1
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #51bd28;
/* rgb */ color: rgb(81, 189, 40);
/* oklch */ color: oklch(70.8% 0.205 139.0);
Tailwind
colors: {
  custom: {
    50: '#8ed26e',
    500: '#51bd28',
    950: '#000000',
  },
}
SCSS
$custom: #51bd28;
$custom-light: #8ed26e;
$custom-dark: #000000;
JSON
{
  "hex": "#51bd28",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 40
  },
  "hsl": {
    "h": 103.49,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.70763,
    "c": 0.20544,
    "h": 139
  },
  "luminance": 0.38298
}

Semantic roles & 50–950 ramp

primary
#51BD28
secondary
#B475CB
accent
#40E8BA
background
#F9FDF7
surface
#F2FAED
border
#CCD3C8
text
#0D1408
muted
#7E837B

Preview Lab

Preview with #51BD28

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

Preview Lab → · Contrast checker → · Palette generator →

#51BD28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva