#51BD3F#51BD3F

#51BD3F is a light, vivid green. Relative luminance 0.385; OKLCH L 70.9% C 0.192 H 141.0°. Best body text is #000000 at 8.70:1 contrast (WCAG AA passes).

Color values

HEX#51BD3F
RGBrgb(81, 189, 63)
HSLhsl(111, 50%, 49%)
HSVhsv(111, 67%, 74%)
CMYKcmyk(57.1%, 0%, 66.7%, 25.9%)
CIE-LABlab(68.39, -54.50, 52.50)
CIE-LCHlch(68.39, 75.67, 136.07°)
OKLaboklab(70.94% -0.149 0.1208)
OKLCHoklch(70.94% 0.192 141)
XYZxyz(22.4871, 38.5014, 10.9482)
Luminance0.3850 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51BD3F #AB3FBD
analogous
#90BD3F #51BD3F #3FBD6C
triadic
#51BD3F #3F51BD #BD3F51
tetradic
#51BD3F #3F90BD #AB3FBD #BD6C3F
square
#51BD3F #3F90BD #AB3FBD #BD6C3F
split-complementary
#51BD3F #6C3FBD #BD3F90
monochromatic
#2A6120 #3D8F30 #51BD3F #79CE6B #A3DD99

Accessibility & contrast

On white

2.41
#51BD3F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.70
#51BD3F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD3F
8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51BD3F#FFFFFF#000000##000000
##51BD3F1.002.418.708.70
#FFFFFF2.411.0021.0021.00
#0000008.7021.001.001.00
##0000008.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C2AC2E
Deuteranopia (green-blind)
#B4A34A
Tritanopia (blue-blind)
#43B7A3
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #51bd3f;
/* rgb */ color: rgb(81, 189, 63);
/* oklch */ color: oklch(70.9% 0.192 141.0);
Tailwind
colors: {
  custom: {
    50: '#8dd27a',
    500: '#51bd3f',
    950: '#000000',
  },
}
SCSS
$custom: #51bd3f;
$custom-light: #8dd27a;
$custom-dark: #000000;
JSON
{
  "hex": "#51bd3f",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 63
  },
  "hsl": {
    "h": 111.429,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70935,
    "c": 0.19185,
    "h": 141
  },
  "luminance": 0.38503
}

Semantic roles & 50–950 ramp

primary
#51BD3F
secondary
#C18FC9
accent
#4EDAC6
background
#F9FDF7
surface
#F1FAEE
border
#CBD3C9
text
#0D140A
muted
#7E837C

Preview Lab

Preview with #51BD3F

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

Preview Lab → · Contrast checker → · Palette generator →

#51BD3F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva