#51DD55#51DD55

#51DD55 is a light, highly saturated green. Relative luminance 0.541; OKLCH L 79.4% C 0.215 H 143.6°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX#51DD55
RGBrgb(81, 221, 85)
HSLhsl(122, 67%, 59%)
HSVhsv(122, 63%, 87%)
CMYKcmyk(63.3%, 0%, 61.5%, 13.3%)
CIE-LABlab(78.53, -63.69, 54.43)
CIE-LCHlch(78.53, 83.78, 139.49°)
OKLaboklab(79.37% -0.1728 0.1272)
OKLCHoklch(79.37% 0.215 143.6)
XYZxyz(30.8877, 54.1150, 17.4100)
Luminance0.5412 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DD55 #DD51D9
analogous
#93DD51 #51DD55 #51DD9B
triadic
#51DD55 #5551DD #DD5551
tetradic
#51DD55 #5193DD #DD51D9 #DD9B51
square
#51DD55 #5193DD #DD51D9 #DD9B51
split-complementary
#51DD55 #9B51DD #DD5193
monochromatic
#1D9621 #27C92C #51DD55 #84E787 #B7F1B9

Accessibility & contrast

On white

1.78
#51DD55 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.82
#51DD55 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD55
11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DD55#FFFFFF#000000##000000
##51DD551.001.7811.8211.82
#FFFFFF1.781.0021.0021.00
#00000011.8221.001.001.00
##00000011.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1C946
Deuteranopia (green-blind)
#D0BE60
Tritanopia (blue-blind)
#32D7C0
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #51dd55;
/* rgb */ color: rgb(81, 221, 85);
/* oklch */ color: oklch(79.4% 0.215 143.6);
Tailwind
colors: {
  custom: {
    50: '#91e98a',
    500: '#51dd55',
    950: '#000000',
  },
}
SCSS
$custom: #51dd55;
$custom-light: #91e98a;
$custom-dark: #000000;
JSON
{
  "hex": "#51dd55",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 85
  },
  "hsl": {
    "h": 121.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.7937,
    "c": 0.21457,
    "h": 143.6
  },
  "luminance": 0.54118
}

Semantic roles & 50–950 ramp

primary
#51DD55
secondary
#9B3898
accent
#3EE5EA
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0E160C
muted
#7F847F

Preview Lab

Preview with #51DD55

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

Preview Lab → · Contrast checker → · Palette generator →

#51DD55 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva