#51CD39#51CD39

#51CD39 is a light, highly saturated green. Relative luminance 0.457; OKLCH L 75.0% C 0.215 H 140.7°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX#51CD39
RGBrgb(81, 205, 57)
HSLhsl(110, 60%, 51%)
HSVhsv(110, 72%, 80%)
CMYKcmyk(60.5%, 0%, 72.2%, 19.6%)
CIE-LABlab(73.35, -60.73, 60.00)
CIE-LCHlch(73.35, 85.37, 135.34°)
OKLaboklab(75.02% -0.1662 0.1358)
OKLCHoklch(75.02% 0.215 140.7)
XYZxyz(25.9619, 45.7050, 11.3239)
Luminance0.4571 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CD39 #B539CD
analogous
#9BCD39 #51CD39 #39CD6B
triadic
#51CD39 #3951CD #CD3951
tetradic
#51CD39 #399BCD #B539CD #CD6B39
square
#51CD39 #399BCD #B539CD #CD6B39
split-complementary
#51CD39 #6B39CD #CD399B
monochromatic
#2A6F1C #3CA028 #51CD39 #7CD96A #A7E69B

Accessibility & contrast

On white

2.07
#51CD39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.14
#51CD39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD39
10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CD39#FFFFFF#000000##000000
##51CD391.002.0710.1410.14
#FFFFFF2.071.0021.0021.00
#00000010.1421.001.001.00
##00000010.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2BA1F
Deuteranopia (green-blind)
#C3B048
Tritanopia (blue-blind)
#3FC6B0
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #51cd39;
/* rgb */ color: rgb(81, 205, 57);
/* oklch */ color: oklch(75.0% 0.215 140.7);
Tailwind
colors: {
  custom: {
    50: '#90dd78',
    500: '#51cd39',
    950: '#000000',
  },
}
SCSS
$custom: #51cd39;
$custom-light: #90dd78;
$custom-dark: #000000;
JSON
{
  "hex": "#51cd39",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 57
  },
  "hsl": {
    "h": 110.27,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.75021,
    "c": 0.21466,
    "h": 140.7
  },
  "luminance": 0.45707
}

Semantic roles & 50–950 ramp

primary
#51CD39
secondary
#C790D2
accent
#45E3C9
background
#F9FDF7
surface
#F2FBEE
border
#CCD4C9
text
#0E1509
muted
#7E837B

Preview Lab

Preview with #51CD39

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

Preview Lab → · Contrast checker → · Palette generator →

#51CD39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva