#66EFC2#66EFC2

#66EFC2 is a very light, vivid teal. Relative luminance 0.685; OKLCH L 86.4% C 0.137 H 168.5°. Best body text is #000000 at 14.69:1 contrast (WCAG AA passes).

Color values

HEX#66EFC2
RGBrgb(102, 239, 194)
HSLhsl(160, 81%, 67%)
HSVhsv(160, 57%, 94%)
CMYKcmyk(57.3%, 0%, 18.8%, 6.3%)
CIE-LABlab(86.23, -47.86, 10.66)
CIE-LCHlch(86.23, 49.03, 167.45°)
OKLaboklab(86.42% -0.1339 0.0273)
OKLCHoklch(86.42% 0.137 168.5)
XYZxyz(46.0789, 68.4483, 61.8120)
Luminance0.6845 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66EFC2 #EF6693
analogous
#66EF7E #66EFC2 #66D8EF
triadic
#66EFC2 #C266EF #EFC266
tetradic
#66EFC2 #7E66EF #EF6693 #D8EF66
square
#66EFC2 #7E66EF #EF6693 #D8EF66
split-complementary
#66EFC2 #EF66D8 #EF7E66
monochromatic
#15C68C #2FE9AC #66EFC2 #9DF5D8 #D5FBEE

Accessibility & contrast

On white

1.43
#66EFC2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.69
#66EFC2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EFC2
14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66EFC2#FFFFFF#000000##000000
##66EFC21.001.4314.6914.69
#FFFFFF1.431.0021.0021.00
#00000014.6921.001.001.00
##00000014.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#E9E0C0
Deuteranopia (green-blind)
#D5D2C5
Tritanopia (blue-blind)
#0DF0E2
Achromatopsia (no color)
#D8D8D8

Design tokens & code

CSS
--color: #66efc2;
/* rgb */ color: rgb(102, 239, 194);
/* oklch */ color: oklch(86.4% 0.137 168.5);
Tailwind
colors: {
  custom: {
    50: '#9df5d4',
    500: '#66efc2',
    950: '#000000',
  },
}
SCSS
$custom: #66efc2;
$custom-light: #9df5d4;
$custom-dark: #000000;
JSON
{
  "hex": "#66efc2",
  "rgb": {
    "r": 102,
    "g": 239,
    "b": 194
  },
  "hsl": {
    "h": 160.292,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.86423,
    "c": 0.13661,
    "h": 168.5
  },
  "luminance": 0.68453
}

Semantic roles & 50–950 ramp

primary
#66EFC2
secondary
#C33664
accent
#084EDD
background
#FCFFFE
surface
#F6FEFB
border
#D0D6D4
text
#0F1714
muted
#808583

Preview Lab

Preview with #66EFC2

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

Preview Lab → · Contrast checker → · Palette generator →

#66EFC2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva