#66DE4C#66DE4C

#66DE4C is a light, highly saturated green. Relative luminance 0.556; OKLCH L 80.2% C 0.214 H 140.3°. Best body text is #000000 at 12.12:1 contrast (WCAG AA passes).

Color values

HEX#66DE4C
RGBrgb(102, 222, 76)
HSLhsl(109, 69%, 58%)
HSVhsv(109, 66%, 87%)
CMYKcmyk(54.1%, 0%, 65.8%, 12.9%)
CIE-LABlab(79.38, -60.03, 59.28)
CIE-LCHlch(79.38, 84.37, 135.36°)
OKLaboklab(80.22% -0.1645 0.1364)
OKLCHoklch(80.22% 0.214 140.3)
XYZxyz(32.9038, 55.5864, 15.8314)
Luminance0.5559 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DE4C #C44CDE
analogous
#AFDE4C #66DE4C #4CDE7B
triadic
#66DE4C #4C66DE #DE4C66
tetradic
#66DE4C #4CAFDE #C44CDE #DE7B4C
square
#66DE4C #4CAFDE #C44CDE #DE7B4C
split-complementary
#66DE4C #7B4CDE #DE4CAF
monochromatic
#31941B #42C825 #66DE4C #92E880 #BEF1B3

Accessibility & contrast

On white

1.73
#66DE4C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.12
#66DE4C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DE4C
12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DE4C#FFFFFF#000000##000000
##66DE4C1.001.7312.1212.12
#FFFFFF1.731.0021.0021.00
#00000012.1221.001.001.00
##00000012.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#E4CB39
Deuteranopia (green-blind)
#D4C159
Tritanopia (blue-blind)
#58D7C0
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #66de4c;
/* rgb */ color: rgb(102, 222, 76);
/* oklch */ color: oklch(80.2% 0.214 140.3);
Tailwind
colors: {
  custom: {
    50: '#9ce984',
    500: '#66de4c',
    950: '#000000',
  },
}
SCSS
$custom: #66de4c;
$custom-light: #9ce984;
$custom-dark: #000000;
JSON
{
  "hex": "#66de4c",
  "rgb": {
    "r": 102,
    "g": 222,
    "b": 76
  },
  "hsl": {
    "h": 109.315,
    "s": 68.868,
    "l": 58.431
  },
  "oklch": {
    "l": 0.80221,
    "c": 0.21371,
    "h": 140.3
  },
  "luminance": 0.55589
}

Semantic roles & 50–950 ramp

primary
#66DE4C
secondary
#873599
accent
#3CECCC
background
#FCFEFB
surface
#F6FDF2
border
#D0D5CC
text
#0F160B
muted
#80847E

Preview Lab

Preview with #66DE4C

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

Preview Lab → · Contrast checker → · Palette generator →

#66DE4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva