#51D042#51D042

#51D042 is a light, highly saturated green. Relative luminance 0.473; OKLCH L 75.9% C 0.213 H 141.6°. Best body text is #000000 at 10.45:1 contrast (WCAG AA passes).

Color values

HEX#51D042
RGBrgb(81, 208, 66)
HSLhsl(114, 60%, 54%)
HSVhsv(114, 68%, 82%)
CMYKcmyk(61.1%, 0%, 68.3%, 18.4%)
CIE-LABlab(74.35, -61.04, 57.66)
CIE-LCHlch(74.35, 83.97, 136.63°)
OKLaboklab(75.87% -0.1666 0.1321)
OKLCHoklch(75.87% 0.213 141.6)
XYZxyz(26.9312, 47.2519, 12.8545)
Luminance0.4725 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D042 #C142D0
analogous
#98D042 #51D042 #42D07A
triadic
#51D042 #4251D0 #D04251
tetradic
#51D042 #4298D0 #C142D0 #D07A42
square
#51D042 #4298D0 #C142D0 #D07A42
split-complementary
#51D042 #7A42D0 #D04298
monochromatic
#28791E #38AA2A #51D042 #7EDC73 #ABE8A4

Accessibility & contrast

On white

2.01
#51D042 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.45
#51D042 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D042
10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D042#FFFFFF#000000##000000
##51D0421.002.0110.4510.45
#FFFFFF2.011.0021.0021.00
#00000010.4521.001.001.00
##00000010.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D5BD2D
Deuteranopia (green-blind)
#C5B34F
Tritanopia (blue-blind)
#3CCAB3
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #51d042;
/* rgb */ color: rgb(81, 208, 66);
/* oklch */ color: oklch(75.9% 0.213 141.6);
Tailwind
colors: {
  custom: {
    50: '#90df7d',
    500: '#51d042',
    950: '#000000',
  },
}
SCSS
$custom: #51d042;
$custom-light: #90df7d;
$custom-dark: #000000;
JSON
{
  "hex": "#51d042",
  "rgb": {
    "r": 81,
    "g": 208,
    "b": 66
  },
  "hsl": {
    "h": 113.662,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.75866,
    "c": 0.21256,
    "h": 141.6
  },
  "luminance": 0.47254
}

Semantic roles & 50–950 ramp

primary
#51D042
secondary
#CF99D5
accent
#44E3D3
background
#F9FDF7
surface
#F2FBEE
border
#CCD4C9
text
#0E150A
muted
#7E837C

Preview Lab

Preview with #51D042

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

Preview Lab → · Contrast checker → · Palette generator →

#51D042 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva