#51D243#51D243

#51D243 is a light, highly saturated green. Relative luminance 0.482; OKLCH L 76.4% C 0.214 H 141.7°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX#51D243
RGBrgb(81, 210, 67)
HSLhsl(114, 61%, 54%)
HSVhsv(114, 68%, 82%)
CMYKcmyk(61.4%, 0%, 68.1%, 17.6%)
CIE-LABlab(74.98, -61.65, 57.94)
CIE-LCHlch(74.98, 84.60, 136.78°)
OKLaboklab(76.39% -0.1682 0.1327)
OKLCHoklch(76.39% 0.214 141.7)
XYZxyz(27.4516, 48.2451, 13.1747)
Luminance0.4825 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D243 #C443D2
analogous
#99D243 #51D243 #43D27D
triadic
#51D243 #4351D2 #D24351
tetradic
#51D243 #4399D2 #C443D2 #D27D43
square
#51D243 #4399D2 #C443D2 #D27D43
split-complementary
#51D243 #7D43D2 #D24399
monochromatic
#277D1E #37AE2A #51D243 #7FDE74 #ACEAA6

Accessibility & contrast

On white

1.97
#51D243 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.65
#51D243 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D243
10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D243#FFFFFF#000000##000000
##51D2431.001.9710.6510.65
#FFFFFF1.971.0021.0021.00
#00000010.6521.001.001.00
##00000010.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7BF2E
Deuteranopia (green-blind)
#C7B450
Tritanopia (blue-blind)
#3BCCB5
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #51d243;
/* rgb */ color: rgb(81, 210, 67);
/* oklch */ color: oklch(76.4% 0.214 141.7);
Tailwind
colors: {
  custom: {
    50: '#90e17e',
    500: '#51d243',
    950: '#000000',
  },
}
SCSS
$custom: #51d243;
$custom-light: #90e17e;
$custom-dark: #000000;
JSON
{
  "hex": "#51d243",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 67
  },
  "hsl": {
    "h": 114.126,
    "s": 61.373,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76388,
    "c": 0.21424,
    "h": 141.7
  },
  "luminance": 0.48248
}

Semantic roles & 50–950 ramp

primary
#51D243
secondary
#D19AD7
accent
#43E4D5
background
#F9FDF8
surface
#F2FBEF
border
#CCD4CA
text
#0E150A
muted
#7E837C

Preview Lab

Preview with #51D243

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

Preview Lab → · Contrast checker → · Palette generator →

#51D243 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva