#66DF4C#66DF4C

#66DF4C is a light, highly saturated green. Relative luminance 0.561; OKLCH L 80.5% C 0.215 H 140.4°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX#66DF4C
RGBrgb(102, 223, 76)
HSLhsl(109, 70%, 59%)
HSVhsv(109, 66%, 87%)
CMYKcmyk(54.3%, 0%, 65.9%, 12.5%)
CIE-LABlab(79.68, -60.40, 59.60)
CIE-LCHlch(79.68, 84.85, 135.38°)
OKLaboklab(80.47% -0.1655 0.1371)
OKLCHoklch(80.47% 0.215 140.4)
XYZxyz(33.1702, 56.1192, 15.9202)
Luminance0.5612 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DF4C #C54CDF
analogous
#AFDF4C #66DF4C #4CDF7B
triadic
#66DF4C #4C66DF #DF4C66
tetradic
#66DF4C #4CAFDF #C54CDF #DF7B4C
square
#66DF4C #4CAFDF #C54CDF #DF7B4C
split-complementary
#66DF4C #7B4CDF #DF4CAF
monochromatic
#31961B #41CA24 #66DF4C #92E880 #BFF2B4

Accessibility & contrast

On white

1.72
#66DF4C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.22
#66DF4C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DF4C
12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DF4C#FFFFFF#000000##000000
##66DF4C1.001.7212.2212.22
#FFFFFF1.721.0021.0021.00
#00000012.2221.001.001.00
##00000012.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E5CC38
Deuteranopia (green-blind)
#D5C259
Tritanopia (blue-blind)
#58D8C1
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #66df4c;
/* rgb */ color: rgb(102, 223, 76);
/* oklch */ color: oklch(80.5% 0.215 140.4);
Tailwind
colors: {
  custom: {
    50: '#9cea85',
    500: '#66df4c',
    950: '#000000',
  },
}
SCSS
$custom: #66df4c;
$custom-light: #9cea85;
$custom-dark: #000000;
JSON
{
  "hex": "#66df4c",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 76
  },
  "hsl": {
    "h": 109.388,
    "s": 69.668,
    "l": 58.627
  },
  "oklch": {
    "l": 0.80471,
    "c": 0.21491,
    "h": 140.4
  },
  "luminance": 0.56122
}

Semantic roles & 50–950 ramp

primary
#66DF4C
secondary
#88359A
accent
#3BECCD
background
#FCFEFB
surface
#F6FDF2
border
#D0D5CC
text
#0F160B
muted
#80847E

Preview Lab

Preview with #66DF4C

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

Preview Lab → · Contrast checker → · Palette generator →

#66DF4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva