#66CC64#66CC64

#66CC64 is a light, vivid green. Relative luminance 0.469; OKLCH L 76.0% C 0.171 H 143.3°. Best body text is #000000 at 10.39:1 contrast (WCAG AA passes).

Color values

HEX#66CC64
RGBrgb(102, 204, 100)
HSLhsl(119, 50%, 60%)
HSVhsv(119, 51%, 80%)
CMYKcmyk(50%, 0%, 51%, 20%)
CIE-LABlab(74.14, -50.51, 42.56)
CIE-LCHlch(74.14, 66.06, 139.88°)
OKLaboklab(76% -0.1374 0.1024)
OKLCHoklch(76% 0.171 143.3)
XYZxyz(29.3711, 46.9284, 19.5645)
Luminance0.4693 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CC64 #CA64CC
analogous
#9ACC64 #66CC64 #64CC96
triadic
#66CC64 #6466CC #CC6466
tetradic
#66CC64 #649ACC #CA64CC #CC9664
square
#66CC64 #649ACC #CA64CC #CC9664
split-complementary
#66CC64 #9664CC #CC649A
monochromatic
#2F892D #3EB73C #66CC64 #93DB92 #C1EAC0

Accessibility & contrast

On white

2.02
#66CC64 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.39
#66CC64 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CC64
10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CC64#FFFFFF#000000##000000
##66CC641.002.0210.3910.39
#FFFFFF2.021.0021.0021.00
#00000010.3921.001.001.00
##00000010.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0BC5B
Deuteranopia (green-blind)
#C2B36B
Tritanopia (blue-blind)
#58C7B4
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #66cc64;
/* rgb */ color: rgb(102, 204, 100);
/* oklch */ color: oklch(76.0% 0.171 143.3);
Tailwind
colors: {
  custom: {
    50: '#99dc92',
    500: '#66cc64',
    950: '#000000',
  },
}
SCSS
$custom: #66cc64;
$custom-light: #99dc92;
$custom-dark: #000000;
JSON
{
  "hex": "#66cc64",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 100
  },
  "hsl": {
    "h": 118.846,
    "s": 50.485,
    "l": 59.608
  },
  "oklch": {
    "l": 0.75996,
    "c": 0.17141,
    "h": 143.3
  },
  "luminance": 0.46931
}

Semantic roles & 50–950 ramp

primary
#66CC64
secondary
#D9B2DA
accent
#4EDAD7
background
#F9FDF9
surface
#F2FBF1
border
#CCD4CB
text
#0E150D
muted
#7E837E

Preview Lab

Preview with #66CC64

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

Preview Lab → · Contrast checker → · Palette generator →

#66CC64 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva