#66BE4C#66BE4C

#66BE4C is a light, vivid green. Relative luminance 0.402; OKLCH L 72.2% C 0.173 H 139.1°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX#66BE4C
RGBrgb(102, 190, 76)
HSLhsl(106, 47%, 52%)
HSVhsv(106, 60%, 75%)
CMYKcmyk(46.3%, 0%, 60%, 25.5%)
CIE-LABlab(69.59, -47.73, 48.43)
CIE-LCHlch(69.59, 68.00, 134.58°)
OKLaboklab(72.18% -0.1311 0.1134)
OKLCHoklch(72.18% 0.173 139.1)
XYZxyz(25.1965, 40.1718, 13.2623)
Luminance0.4017 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BE4C #A44CBE
analogous
#9FBE4C #66BE4C #4CBE6B
triadic
#66BE4C #4C66BE #BE4C66
tetradic
#66BE4C #4C9FBE #A44CBE #BE6B4C
square
#66BE4C #4C9FBE #A44CBE #BE6B4C
split-complementary
#66BE4C #6B4CBE #BE4C9F
monochromatic
#366926 #4C9637 #66BE4C #8CCE79 #B3DFA6

Accessibility & contrast

On white

2.32
#66BE4C on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.03
#66BE4C on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BE4C
9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BE4C#FFFFFF#000000##000000
##66BE4C1.002.329.039.03
#FFFFFF2.321.0021.0021.00
#0000009.0321.001.001.00
##0000009.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C3AF40
Deuteranopia (green-blind)
#B7A755
Tritanopia (blue-blind)
#5FB8A5
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #66be4c;
/* rgb */ color: rgb(102, 190, 76);
/* oklch */ color: oklch(72.2% 0.173 139.1);
Tailwind
colors: {
  custom: {
    50: '#98d282',
    500: '#66be4c',
    950: '#000000',
  },
}
SCSS
$custom: #66be4c;
$custom-light: #98d282;
$custom-dark: #000000;
JSON
{
  "hex": "#66be4c",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 76
  },
  "hsl": {
    "h": 106.316,
    "s": 46.721,
    "l": 52.157
  },
  "oklch": {
    "l": 0.72177,
    "c": 0.17334,
    "h": 139.1
  },
  "luminance": 0.40173
}

Semantic roles & 50–950 ramp

primary
#66BE4C
secondary
#C09ACC
accent
#51D6B8
background
#F9FDF8
surface
#F2FAEF
border
#CCD3CA
text
#0E140B
muted
#7E837C

Preview Lab

Preview with #66BE4C

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

Preview Lab → · Contrast checker → · Palette generator →

#66BE4C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva