#51D059#51D059

#51D059 is a light, vivid green. Relative luminance 0.476; OKLCH L 76.1% C 0.196 H 144.4°. Best body text is #000000 at 10.52:1 contrast (WCAG AA passes).

Color values

HEX#51D059
RGBrgb(81, 208, 89)
HSLhsl(124, 57%, 57%)
HSVhsv(124, 61%, 82%)
CMYKcmyk(61.1%, 0%, 57.2%, 18.4%)
CIE-LABlab(74.56, -58.64, 48.08)
CIE-LCHlch(74.56, 75.83, 140.65°)
OKLaboklab(76.11% -0.1589 0.1139)
OKLCHoklch(76.11% 0.196 144.4)
XYZxyz(27.7507, 47.5797, 17.1706)
Luminance0.4758 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D059 #D051C8
analogous
#88D051 #51D059 #51D099
triadic
#51D059 #5951D0 #D05951
tetradic
#51D059 #5188D0 #D051C8 #D09951
square
#51D059 #5188D0 #D051C8 #D09951
split-complementary
#51D059 #9951D0 #D05188
monochromatic
#238329 #30B339 #51D059 #81DD87 #B1EAB5

Accessibility & contrast

On white

2.00
#51D059 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.52
#51D059 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D059
10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D059#FFFFFF#000000##000000
##51D0591.002.0010.5210.52
#FFFFFF2.001.0021.0021.00
#00000010.5221.001.001.00
##00000010.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4BE4D
Deuteranopia (green-blind)
#C4B362
Tritanopia (blue-blind)
#36CBB6
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #51d059;
/* rgb */ color: rgb(81, 208, 89);
/* oklch */ color: oklch(76.1% 0.196 144.4);
Tailwind
colors: {
  custom: {
    50: '#8fdf8b',
    500: '#51d059',
    950: '#000000',
  },
}
SCSS
$custom: #51d059;
$custom-light: #8fdf8b;
$custom-dark: #000000;
JSON
{
  "hex": "#51d059",
  "rgb": {
    "r": 81,
    "g": 208,
    "b": 89
  },
  "hsl": {
    "h": 123.78,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.76105,
    "c": 0.19553,
    "h": 144.4
  },
  "luminance": 0.47582
}

Semantic roles & 50–950 ramp

primary
#51D059
secondary
#D8A4D5
accent
#47D7E1
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0E150C
muted
#7E837D

Preview Lab

Preview with #51D059

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

Preview Lab → · Contrast checker → · Palette generator →

#51D059 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva