#51DB39#51DB39

#51DB39 is a light, highly saturated green. Relative luminance 0.527; OKLCH L 78.6% C 0.230 H 141.0°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX#51DB39
RGBrgb(81, 219, 57)
HSLhsl(111, 69%, 54%)
HSVhsv(111, 74%, 86%)
CMYKcmyk(63%, 0%, 74%, 14.1%)
CIE-LABlab(77.70, -65.50, 64.37)
CIE-LCHlch(77.70, 91.84, 135.50°)
OKLaboklab(78.62% -0.1791 0.145)
OKLCHoklch(78.62% 0.23 141)
XYZxyz(29.4619, 52.7049, 12.4905)
Luminance0.5271 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DB39 #C339DB
analogous
#A2DB39 #51DB39 #39DB72
triadic
#51DB39 #3951DB #DB3951
tetradic
#51DB39 #39A2DB #C339DB #DB7239
square
#51DB39 #39A2DB #C339DB #DB7239
split-complementary
#51DB39 #7239DB #DB39A2
monochromatic
#278218 #37B621 #51DB39 #7FE46D #ACEEA1

Accessibility & contrast

On white

1.82
#51DB39 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.54
#51DB39 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB39
11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DB39#FFFFFF#000000##000000
##51DB391.001.8211.5411.54
#FFFFFF1.821.0021.0021.00
#00000011.5421.001.001.00
##00000011.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C717
Deuteranopia (green-blind)
#D0BC4A
Tritanopia (blue-blind)
#3AD4BC
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #51db39;
/* rgb */ color: rgb(81, 219, 57);
/* oklch */ color: oklch(78.6% 0.230 141.0);
Tailwind
colors: {
  custom: {
    50: '#92e77a',
    500: '#51db39',
    950: '#000000',
  },
}
SCSS
$custom: #51db39;
$custom-light: #92e77a;
$custom-dark: #000000;
JSON
{
  "hex": "#51db39",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 57
  },
  "hsl": {
    "h": 111.111,
    "s": 69.231,
    "l": 54.118
  },
  "oklch": {
    "l": 0.78617,
    "c": 0.23041,
    "h": 141
  },
  "luminance": 0.52708
}

Semantic roles & 50–950 ramp

primary
#51DB39
secondary
#7C2F89
accent
#3CECD2
background
#FCFEFB
surface
#F5FDF2
border
#CFD5CC
text
#0E160A
muted
#7F847D

Preview Lab

Preview with #51DB39

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

Preview Lab → · Contrast checker → · Palette generator →

#51DB39 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva