#51D449#51D449

#51D449 is a light, highly saturated green. Relative luminance 0.493; OKLCH L 77.0% C 0.213 H 142.3°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX#51D449
RGBrgb(81, 212, 73)
HSLhsl(117, 62%, 56%)
HSVhsv(117, 66%, 83%)
CMYKcmyk(61.8%, 0%, 65.6%, 16.9%)
CIE-LABlab(75.65, -61.79, 56.26)
CIE-LCHlch(75.65, 83.57, 137.68°)
OKLaboklab(76.95% -0.1682 0.1299)
OKLCHoklch(76.95% 0.213 142.3)
XYZxyz(28.1379, 49.3146, 14.3379)
Luminance0.4932 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D449 #CC49D4
analogous
#96D449 #51D449 #49D486
triadic
#51D449 #4951D4 #D44951
tetradic
#51D449 #4996D4 #CC49D4 #D48649
square
#51D449 #4996D4 #CC49D4 #D48649
split-complementary
#51D449 #8649D4 #D44996
monochromatic
#25841F #33B52B #51D449 #80E07B #B0EBAC

Accessibility & contrast

On white

1.93
#51D449 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.86
#51D449 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D449
10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D449#FFFFFF#000000##000000
##51D4491.001.9310.8610.86
#FFFFFF1.931.0021.0021.00
#00000010.8621.001.001.00
##00000010.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#D9C137
Deuteranopia (green-blind)
#C9B655
Tritanopia (blue-blind)
#39CEB7
Achromatopsia (no color)
#BABABA

Design tokens & code

CSS
--color: #51d449;
/* rgb */ color: rgb(81, 212, 73);
/* oklch */ color: oklch(77.0% 0.213 142.3);
Tailwind
colors: {
  custom: {
    50: '#90e282',
    500: '#51d449',
    950: '#000000',
  },
}
SCSS
$custom: #51d449;
$custom-light: #90e282;
$custom-dark: #000000;
JSON
{
  "hex": "#51d449",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 73
  },
  "hsl": {
    "h": 116.547,
    "s": 61.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76954,
    "c": 0.21254,
    "h": 142.3
  },
  "luminance": 0.49317
}

Semantic roles & 50–950 ramp

primary
#51D449
secondary
#D6A0D9
accent
#43E5DC
background
#F9FEF8
surface
#F2FCEF
border
#CCD5CA
text
#0E150B
muted
#7E847C

Preview Lab

Preview with #51D449

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

Preview Lab → · Contrast checker → · Palette generator →

#51D449 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva