#51AA3D#51AA3D

#51AA3D is a light, vivid green. Relative luminance 0.308; OKLCH L 66.0% C 0.169 H 140.2°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX#51AA3D
RGBrgb(81, 170, 61)
HSLhsl(109, 47%, 45%)
HSVhsv(109, 64%, 67%)
CMYKcmyk(52.4%, 0%, 64.1%, 33.3%)
CIE-LABlab(62.37, -47.45, 46.77)
CIE-LCHlch(62.37, 66.63, 135.42°)
OKLaboklab(65.97% -0.1301 0.1085)
OKLCHoklch(65.97% 0.169 140.2)
XYZxyz(18.6096, 30.8343, 9.3849)
Luminance0.3084 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51AA3D #963DAA
analogous
#87AA3D #51AA3D #3DAA60
triadic
#51AA3D #3D51AA #AA3D51
tetradic
#51AA3D #3D87AA #963DAA #AA603D
square
#51AA3D #3D87AA #963DAA #AA603D
split-complementary
#51AA3D #603DAA #AA3D87
monochromatic
#26501D #3C7D2D #51AA3D #72C55F #99D68C

Accessibility & contrast

On white

2.93
#51AA3D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.17
#51AA3D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AA3D
7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51AA3D#FFFFFF#000000##000000
##51AA3D1.002.937.177.17
#FFFFFF2.931.0021.0021.00
#0000007.1721.001.001.00
##0000007.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#AF9C30
Deuteranopia (green-blind)
#A39446
Tritanopia (blue-blind)
#48A593
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #51aa3d;
/* rgb */ color: rgb(81, 170, 61);
/* oklch */ color: oklch(66.0% 0.169 140.2);
Tailwind
colors: {
  custom: {
    50: '#8ac477',
    500: '#51aa3d',
    950: '#000000',
  },
}
SCSS
$custom: #51aa3d;
$custom-light: #8ac477;
$custom-dark: #000000;
JSON
{
  "hex": "#51aa3d",
  "rgb": {
    "r": 81,
    "g": 170,
    "b": 61
  },
  "hsl": {
    "h": 108.991,
    "s": 47.186,
    "l": 45.294
  },
  "oklch": {
    "l": 0.6597,
    "c": 0.16937,
    "h": 140.2
  },
  "luminance": 0.30836
}

Semantic roles & 50–950 ramp

primary
#51AA3D
secondary
#B582C0
accent
#51D7BE
background
#F8FCF7
surface
#F0F8ED
border
#CBD1C8
text
#0C1309
muted
#7D827B

Preview Lab

Preview with #51AA3D

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

Preview Lab → · Contrast checker → · Palette generator →

#51AA3D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva