#66D443#66D443

#66D443 is a light, highly saturated green. Relative luminance 0.503; OKLCH L 77.6% C 0.208 H 139.2°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX#66D443
RGBrgb(102, 212, 67)
HSLhsl(106, 63%, 55%)
HSVhsv(106, 68%, 83%)
CMYKcmyk(51.9%, 0%, 68.4%, 16.9%)
CIE-LABlab(76.26, -57.12, 59.50)
CIE-LCHlch(76.26, 82.47, 133.83°)
OKLaboklab(77.63% -0.1572 0.1358)
OKLCHoklch(77.63% 0.208 139.2)
XYZxyz(30.0349, 50.3147, 13.4381)
Luminance0.5032 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66D443 #B143D4
analogous
#AFD443 #66D443 #43D468
triadic
#66D443 #4366D4 #D44366
tetradic
#66D443 #43AFD4 #B143D4 #D46843
square
#66D443 #43AFD4 #B143D4 #D46843
split-complementary
#66D443 #6843D4 #D443AF
monochromatic
#357F1D #4AB129 #66D443 #8FDF75 #B7EBA7

Accessibility & contrast

On white

1.90
#66D443 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.06
#66D443 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D443
11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66D443#FFFFFF#000000##000000
##66D4431.001.9011.0611.06
#FFFFFF1.901.0021.0021.00
#00000011.0621.001.001.00
##00000011.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#DAC22E
Deuteranopia (green-blind)
#CCB950
Tritanopia (blue-blind)
#5CCDB7
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #66d443;
/* rgb */ color: rgb(102, 212, 67);
/* oklch */ color: oklch(77.6% 0.208 139.2);
Tailwind
colors: {
  custom: {
    50: '#9be27f',
    500: '#66d443',
    950: '#000000',
  },
}
SCSS
$custom: #66d443;
$custom-light: #9be27f;
$custom-dark: #000000;
JSON
{
  "hex": "#66d443",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 67
  },
  "hsl": {
    "h": 105.517,
    "s": 62.771,
    "l": 54.706
  },
  "oklch": {
    "l": 0.77633,
    "c": 0.20772,
    "h": 139.2
  },
  "luminance": 0.50317
}

Semantic roles & 50–950 ramp

primary
#66D443
secondary
#733487
accent
#42E6BE
background
#FCFEFB
surface
#F5FCF2
border
#CFD5CC
text
#0F150A
muted
#80847D

Preview Lab

Preview with #66D443

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

Preview Lab → · Contrast checker → · Palette generator →

#66D443 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva