#51A366#51A366

#51A366 is a light, vivid green. Relative luminance 0.289; OKLCH L 64.8% C 0.122 H 150.2°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX#51A366
RGBrgb(81, 163, 102)
HSLhsl(135, 34%, 48%)
HSVhsv(135, 50%, 64%)
CMYKcmyk(50.3%, 0%, 37.4%, 36.1%)
CIE-LABlab(60.69, -38.80, 24.22)
CIE-LCHlch(60.69, 45.74, 148.03°)
OKLaboklab(64.77% -0.1054 0.0605)
OKLCHoklch(64.77% 0.122 150.2)
XYZxyz(18.8876, 28.9015, 17.1511)
Luminance0.2890 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51A366 #A3518E
analogous
#65A351 #51A366 #51A38F
triadic
#51A366 #6651A3 #A36651
tetradic
#51A366 #5165A3 #A3518E #A38F51
square
#51A366 #5165A3 #A3518E #A38F51
split-complementary
#51A366 #8F51A3 #A35165
monochromatic
#285133 #3D7A4C #51A366 #76BB88 #9FCFAB

Accessibility & contrast

On white

3.10
#51A366 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.78
#51A366 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A366
6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51A366#FFFFFF#000000##000000
##51A3661.003.106.786.78
#FFFFFF3.101.0021.0021.00
#0000006.7821.001.001.00
##0000006.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A49762
Deuteranopia (green-blind)
#988F6A
Tritanopia (blue-blind)
#40A194
Achromatopsia (no color)
#929292

Design tokens & code

CSS
--color: #51a366;
/* rgb */ color: rgb(81, 163, 102);
/* oklch */ color: oklch(64.8% 0.122 150.2);
Tailwind
colors: {
  custom: {
    50: '#87bf92',
    500: '#51a366',
    950: '#000000',
  },
}
SCSS
$custom: #51a366;
$custom-light: #87bf92;
$custom-dark: #000000;
JSON
{
  "hex": "#51a366",
  "rgb": {
    "r": 81,
    "g": 163,
    "b": 102
  },
  "hsl": {
    "h": 135.366,
    "s": 33.607,
    "l": 47.843
  },
  "oklch": {
    "l": 0.64774,
    "c": 0.12154,
    "h": 150.2
  },
  "luminance": 0.28903
}

Semantic roles & 50–950 ramp

primary
#51A366
secondary
#BC93B2
accent
#5EAECA
background
#F8FBF9
surface
#F0F7F1
border
#CBD0CB
text
#0C120D
muted
#7D817E

Preview Lab

Preview with #51A366

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

Preview Lab → · Contrast checker → · Palette generator →

#51A366 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva