#51CD5C#51CD5C

#51CD5C is a light, vivid green. Relative luminance 0.462; OKLCH L 75.4% C 0.189 H 144.9°. Best body text is #000000 at 10.24:1 contrast (WCAG AA passes).

Color values

HEX#51CD5C
RGBrgb(81, 205, 92)
HSLhsl(125, 55%, 56%)
HSVhsv(125, 60%, 80%)
CMYKcmyk(60.5%, 0%, 55.1%, 19.6%)
CIE-LABlab(73.66, -57.17, 45.63)
CIE-LCHlch(73.66, 73.15, 141.40°)
OKLaboklab(75.38% -0.1549 0.1088)
OKLCHoklch(75.38% 0.189 144.9)
XYZxyz(27.1548, 46.1821, 17.6062)
Luminance0.4618 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51CD5C #CD51C2
analogous
#84CD51 #51CD5C #51CD9A
triadic
#51CD5C #5C51CD #CD5C51
tetradic
#51CD5C #5184CD #CD51C2 #CD9A51
square
#51CD5C #5184CD #CD51C2 #CD9A51
split-complementary
#51CD5C #9A51CD #CD5184
monochromatic
#257F2D #32AF3D #51CD5C #81DB89 #B0E8B5

Accessibility & contrast

On white

2.05
#51CD5C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.24
#51CD5C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD5C
10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51CD5C#FFFFFF#000000##000000
##51CD5C1.002.0510.2410.24
#FFFFFF2.051.0021.0021.00
#00000010.2421.001.001.00
##00000010.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0BC51
Deuteranopia (green-blind)
#C1B165
Tritanopia (blue-blind)
#36C8B4
Achromatopsia (no color)
#B5B5B5

Design tokens & code

CSS
--color: #51cd5c;
/* rgb */ color: rgb(81, 205, 92);
/* oklch */ color: oklch(75.4% 0.189 144.9);
Tailwind
colors: {
  custom: {
    50: '#8edd8d',
    500: '#51cd5c',
    950: '#000000',
  },
}
SCSS
$custom: #51cd5c;
$custom-light: #8edd8d;
$custom-dark: #000000;
JSON
{
  "hex": "#51cd5c",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 92
  },
  "hsl": {
    "h": 125.323,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75377,
    "c": 0.18924,
    "h": 144.9
  },
  "luminance": 0.46185
}

Semantic roles & 50–950 ramp

primary
#51CD5C
secondary
#D7A3D2
accent
#49D1DF
background
#F9FDF8
surface
#F2FBF0
border
#CCD4CB
text
#0D150C
muted
#7E837D

Preview Lab

Preview with #51CD5C

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

Preview Lab → · Contrast checker → · Palette generator →

#51CD5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva