#51DB7E#51DB7E

#51DB7E is a light, vivid green. Relative luminance 0.539; OKLCH L 79.4% C 0.177 H 150.9°. Best body text is #000000 at 11.78:1 contrast (WCAG AA passes).

Color values

HEX#51DB7E
RGBrgb(81, 219, 126)
HSLhsl(140, 66%, 59%)
HSVhsv(140, 63%, 86%)
CMYKcmyk(63%, 0%, 42.5%, 14.1%)
CIE-LABlab(78.41, -57.35, 34.95)
CIE-LCHlch(78.41, 67.16, 148.64°)
OKLaboklab(79.44% -0.1549 0.0863)
OKLCHoklch(79.44% 0.177 150.9)
XYZxyz(32.4882, 53.9154, 28.4292)
Luminance0.5392 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DB7E #DB51AE
analogous
#69DB51 #51DB7E #51DBC3
triadic
#51DB7E #7E51DB #DB7E51
tetradic
#51DB7E #5169DB #DB51AE #DBC351
square
#51DB7E #5169DB #DB51AE #DBC351
split-complementary
#51DB7E #C351DB #DB5169
monochromatic
#1E9345 #29C65C #51DB7E #84E5A4 #B6F0C9

Accessibility & contrast

On white

1.78
#51DB7E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.78
#51DB7E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB7E
11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DB7E#FFFFFF#000000##000000
##51DB7E1.001.7811.7811.78
#FFFFFF1.781.0021.0021.00
#00000011.7821.001.001.00
##00000011.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCC977
Deuteranopia (green-blind)
#CABD84
Tritanopia (blue-blind)
#1CD8C4
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #51db7e;
/* rgb */ color: rgb(81, 219, 126);
/* oklch */ color: oklch(79.4% 0.177 150.9);
Tailwind
colors: {
  custom: {
    50: '#90e7a4',
    500: '#51db7e',
    950: '#000000',
  },
}
SCSS
$custom: #51db7e;
$custom-light: #90e7a4;
$custom-dark: #000000;
JSON
{
  "hex": "#51db7e",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 126
  },
  "hsl": {
    "h": 139.565,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79435,
    "c": 0.17729,
    "h": 150.9
  },
  "luminance": 0.53919
}

Semantic roles & 50–950 ramp

primary
#51DB7E
secondary
#983879
accent
#3FB1E9
background
#FCFEFC
surface
#F5FDF6
border
#CFD5D0
text
#0E160F
muted
#7F8480

Preview Lab

Preview with #51DB7E

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

Preview Lab → · Contrast checker → · Palette generator →

#51DB7E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva