#66C338#66C338

#66C338 is a light, vivid green. Relative luminance 0.421; OKLCH L 73.3% C 0.194 H 137.3°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX#66C338
RGBrgb(102, 195, 56)
HSLhsl(100, 55%, 49%)
HSVhsv(100, 71%, 76%)
CMYKcmyk(47.7%, 0%, 71.3%, 23.5%)
CIE-LABlab(70.97, -51.50, 58.17)
CIE-LCHlch(70.97, 77.69, 131.52°)
OKLaboklab(73.25% -0.1427 0.1316)
OKLCHoklch(73.25% 0.194 137.3)
XYZxyz(25.7076, 42.1388, 10.5196)
Luminance0.4214 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C338 #9538C3
analogous
#ACC338 #66C338 #38C350
triadic
#66C338 #3866C3 #C33866
tetradic
#66C338 #38ACC3 #9538C3 #C35038
square
#66C338 #38ACC3 #9538C3 #C35038
split-complementary
#66C338 #5038C3 #C338AC
monochromatic
#34641D #4D932A #66C338 #8AD365 #AEE195

Accessibility & contrast

On white

2.23
#66C338 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.43
#66C338 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C338
9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C338#FFFFFF#000000##000000
##66C3381.002.239.439.43
#FFFFFF2.231.0021.0021.00
#0000009.4321.001.001.00
##0000009.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C9B321
Deuteranopia (green-blind)
#BDAB45
Tritanopia (blue-blind)
#60BCA8
Achromatopsia (no color)
#AEAEAE

Design tokens & code

CSS
--color: #66c338;
/* rgb */ color: rgb(102, 195, 56);
/* oklch */ color: oklch(73.3% 0.194 137.3);
Tailwind
colors: {
  custom: {
    50: '#99d677',
    500: '#66c338',
    950: '#000000',
  },
}
SCSS
$custom: #66c338;
$custom-light: #99d677;
$custom-dark: #000000;
JSON
{
  "hex": "#66c338",
  "rgb": {
    "r": 102,
    "g": 195,
    "b": 56
  },
  "hsl": {
    "h": 100.144,
    "s": 55.378,
    "l": 49.216
  },
  "oklch": {
    "l": 0.73253,
    "c": 0.19412,
    "h": 137.3
  },
  "luminance": 0.42141
}

Semantic roles & 50–950 ramp

primary
#66C338
secondary
#B68BCC
accent
#49DFAD
background
#F9FDF7
surface
#F2FAEE
border
#CCD3C9
text
#0F1409
muted
#7E837B

Preview Lab

Preview with #66C338

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

Preview Lab → · Contrast checker → · Palette generator →

#66C338 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva