#66D83C#66D83C

#66D83C is a light, highly saturated green. Relative luminance 0.523; OKLCH L 78.6% C 0.217 H 138.8°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX#66D83C
RGBrgb(102, 216, 60)
HSLhsl(104, 67%, 54%)
HSVhsv(104, 72%, 85%)
CMYKcmyk(52.8%, 0%, 72.2%, 15.3%)
CIE-LABlab(77.44, -59.13, 63.29)
CIE-LCHlch(77.44, 86.61, 133.05°)
OKLaboklab(78.59% -0.163 0.1429)
OKLCHoklch(78.59% 0.217 138.8)
XYZxyz(30.8498, 52.2603, 12.7357)
Luminance0.5226 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66D83C #AE3CD8
analogous
#B4D83C #66D83C #3CD860
triadic
#66D83C #3C66D8 #D83C66
tetradic
#66D83C #3CB4D8 #AE3CD8 #D8603C
square
#66D83C #3CB4D8 #AE3CD8 #D8603C
split-complementary
#66D83C #603CD8 #D83CB4
monochromatic
#35801A #4AB324 #66D83C #8EE26F #B6ECA2

Accessibility & contrast

On white

1.83
#66D83C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.45
#66D83C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D83C
11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66D83C#FFFFFF#000000##000000
##66D83C1.001.8311.4511.45
#FFFFFF1.831.0021.0021.00
#00000011.4521.001.001.00
##00000011.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DEC51F
Deuteranopia (green-blind)
#D0BC4C
Tritanopia (blue-blind)
#5CD1BA
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #66d83c;
/* rgb */ color: rgb(102, 216, 60);
/* oklch */ color: oklch(78.6% 0.217 138.8);
Tailwind
colors: {
  custom: {
    50: '#9ce57b',
    500: '#66d83c',
    950: '#000000',
  },
}
SCSS
$custom: #66d83c;
$custom-light: #9ce57b;
$custom-dark: #000000;
JSON
{
  "hex": "#66d83c",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 60
  },
  "hsl": {
    "h": 103.846,
    "s": 66.667,
    "l": 54.118
  },
  "oklch": {
    "l": 0.78585,
    "c": 0.21675,
    "h": 138.8
  },
  "luminance": 0.52263
}

Semantic roles & 50–950 ramp

primary
#66D83C
secondary
#703187
accent
#3EEABB
background
#FCFEFB
surface
#F6FCF2
border
#D0D5CC
text
#0F160A
muted
#80847D

Preview Lab

Preview with #66D83C

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

Preview Lab → · Contrast checker → · Palette generator →

#66D83C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva