#66F366#66F366

#66F366 is a very light, highly saturated green. Relative luminance 0.679; OKLCH L 85.7% C 0.220 H 143.4°. Best body text is #000000 at 14.58:1 contrast (WCAG AA passes).

Color values

HEX#66F366
RGBrgb(102, 243, 102)
HSLhsl(120, 85%, 68%)
HSVhsv(120, 58%, 95%)
CMYKcmyk(58%, 0%, 58%, 4.7%)
CIE-LABlab(85.95, -64.96, 55.69)
CIE-LCHlch(85.95, 85.57, 139.40°)
OKLaboklab(85.71% -0.1765 0.1313)
OKLCHoklch(85.71% 0.22 143.4)
XYZxyz(39.9261, 67.8816, 23.5662)
Luminance0.6788 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66F366 #F366F3
analogous
#ACF366 #66F366 #66F3AC
triadic
#66F366 #6666F3 #F36666
tetradic
#66F366 #66ACF3 #F366F3 #F3AC66
square
#66F366 #66ACF3 #F366F3 #F3AC66
split-complementary
#66F366 #AC66F3 #F366AC
monochromatic
#10CE10 #2DEF2D #66F366 #9FF79F #D7FCD7

Accessibility & contrast

On white

1.44
#66F366 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.58
#66F366 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66F366
14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66F366#FFFFFF#000000##000000
##66F3661.001.4414.5814.58
#FFFFFF1.441.0021.0021.00
#00000014.5821.001.001.00
##00000014.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#F8DE57
Deuteranopia (green-blind)
#E6D271
Tritanopia (blue-blind)
#4DEDD4
Achromatopsia (no color)
#D7D7D7

Design tokens & code

CSS
--color: #66f366;
/* rgb */ color: rgb(102, 243, 102);
/* oklch */ color: oklch(85.7% 0.220 143.4);
Tailwind
colors: {
  custom: {
    50: '#9ef896',
    500: '#66f366',
    950: '#000000',
  },
}
SCSS
$custom: #66f366;
$custom-light: #9ef896;
$custom-dark: #000000;
JSON
{
  "hex": "#66f366",
  "rgb": {
    "r": 102,
    "g": 243,
    "b": 102
  },
  "hsl": {
    "h": 120,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.85711,
    "c": 0.21998,
    "h": 143.4
  },
  "luminance": 0.67885
}

Semantic roles & 50–950 ramp

primary
#66F366
secondary
#CA33CA
accent
#04E2E2
background
#FDFFFC
surface
#F7FFF5
border
#D0D7CF
text
#10170E
muted
#81857F

Preview Lab

Preview with #66F366

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

Preview Lab → · Contrast checker → · Palette generator →

#66F366 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva