#51DD4F#51DD4F

#51DD4F is a light, highly saturated green. Relative luminance 0.540; OKLCH L 79.3% C 0.219 H 143.0°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX#51DD4F
RGBrgb(81, 221, 79)
HSLhsl(119, 68%, 59%)
HSVhsv(119, 64%, 87%)
CMYKcmyk(63.3%, 0%, 64.3%, 13.3%)
CIE-LABlab(78.48, -64.31, 56.89)
CIE-LCHlch(78.48, 85.87, 138.50°)
OKLaboklab(79.31% -0.1748 0.1319)
OKLCHoklch(79.31% 0.219 143)
XYZxyz(30.6593, 54.0237, 16.2075)
Luminance0.5403 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DD4F #DB4FDD
analogous
#98DD4F #51DD4F #4FDD94
triadic
#51DD4F #4F51DD #DD4F51
tetradic
#51DD4F #4F98DD #DB4FDD #DD944F
square
#51DD4F #4F98DD #DB4FDD #DD944F
split-complementary
#51DD4F #944FDD #DD4F98
monochromatic
#1E951D #29C827 #51DD4F #84E782 #B6F1B6

Accessibility & contrast

On white

1.78
#51DD4F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.81
#51DD4F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD4F
11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DD4F#FFFFFF#000000##000000
##51DD4F1.001.7811.8111.81
#FFFFFF1.781.0021.0021.00
#00000011.8121.001.001.00
##00000011.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2C93D
Deuteranopia (green-blind)
#D1BE5C
Tritanopia (blue-blind)
#34D7BF
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #51dd4f;
/* rgb */ color: rgb(81, 221, 79);
/* oklch */ color: oklch(79.3% 0.219 143.0);
Tailwind
colors: {
  custom: {
    50: '#92e986',
    500: '#51dd4f',
    950: '#000000',
  },
}
SCSS
$custom: #51dd4f;
$custom-light: #92e986;
$custom-dark: #000000;
JSON
{
  "hex": "#51dd4f",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 79
  },
  "hsl": {
    "h": 119.155,
    "s": 67.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79309,
    "c": 0.21893,
    "h": 143
  },
  "luminance": 0.54027
}

Semantic roles & 50–950 ramp

primary
#51DD4F
secondary
#983799
accent
#3DEAE8
background
#FCFEFC
surface
#F5FDF3
border
#CFD5CD
text
#0E160C
muted
#7F847F

Preview Lab

Preview with #51DD4F

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

Preview Lab → · Contrast checker → · Palette generator →

#51DD4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva