#51DF66#51DF66

#51DF66 is a light, highly saturated green. Relative luminance 0.555; OKLCH L 80.1% C 0.204 H 145.9°. Best body text is #000000 at 12.10:1 contrast (WCAG AA passes).

Color values

HEX#51DF66
RGBrgb(81, 223, 102)
HSLhsl(129, 69%, 60%)
HSVhsv(129, 64%, 87%)
CMYKcmyk(63.7%, 0%, 54.3%, 12.5%)
CIE-LABlab(79.32, -62.37, 47.73)
CIE-LCHlch(79.32, 78.54, 142.58°)
OKLaboklab(80.08% -0.1686 0.1141)
OKLCHoklch(80.08% 0.204 145.9)
XYZxyz(32.1772, 55.4807, 21.5809)
Luminance0.5548 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51DF66 #DF51CA
analogous
#83DF51 #51DF66 #51DFAD
triadic
#51DF66 #6651DF #DF6651
tetradic
#51DF66 #5183DF #DF51CA #DFAD51
square
#51DF66 #5183DF #DF51CA #DFAD51
split-complementary
#51DF66 #AD51DF #DF5183
monochromatic
#1C992F #26CD3E #51DF66 #85E993 #B8F2C1

Accessibility & contrast

On white

1.74
#51DF66 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.10
#51DF66 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DF66
12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51DF66#FFFFFF#000000##000000
##51DF661.001.7412.1012.10
#FFFFFF1.741.0021.0021.00
#00000012.1021.001.001.00
##00000012.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2CC5B
Deuteranopia (green-blind)
#D1C06F
Tritanopia (blue-blind)
#2ADAC4
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #51df66;
/* rgb */ color: rgb(81, 223, 102);
/* oklch */ color: oklch(80.1% 0.204 145.9);
Tailwind
colors: {
  custom: {
    50: '#91ea94',
    500: '#51df66',
    950: '#000000',
  },
}
SCSS
$custom: #51df66;
$custom-light: #91ea94;
$custom-dark: #000000;
JSON
{
  "hex": "#51df66",
  "rgb": {
    "r": 81,
    "g": 223,
    "b": 102
  },
  "hsl": {
    "h": 128.873,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.80078,
    "c": 0.20354,
    "h": 145.9
  },
  "luminance": 0.55484
}

Semantic roles & 50–950 ramp

primary
#51DF66
secondary
#9D378E
accent
#3CD2EC
background
#FCFEFC
surface
#F5FDF4
border
#CFD5CE
text
#0E160D
muted
#7F847F

Preview Lab

Preview with #51DF66

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

Preview Lab → · Contrast checker → · Palette generator →

#51DF66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva