#66E2EF#66E2EF

#66E2EF is a very light, moderate teal. Relative luminance 0.634; OKLCH L 84.7% C 0.111 H 204.7°. Best body text is #000000 at 13.69:1 contrast (WCAG AA passes).

Color values

HEX#66E2EF
RGBrgb(102, 226, 239)
HSLhsl(186, 81%, 67%)
HSVhsv(186, 57%, 94%)
CMYKcmyk(57.3%, 5.4%, 0%, 6.3%)
CIE-LABlab(83.68, -30.78, -16.77)
CIE-LCHlch(83.68, 35.05, 208.59°)
OKLaboklab(84.75% -0.101 -0.0464)
OKLCHoklch(84.75% 0.111 204.7)
XYZxyz(48.2494, 63.4447, 91.3479)
Luminance0.6345 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66E2EF #EF7366
analogous
#66EFB7 #66E2EF #669EEF
triadic
#66E2EF #EF66E2 #E2EF66
tetradic
#66E2EF #B766EF #EF7366 #9EEF66
square
#66E2EF #B766EF #EF7366 #9EEF66
split-complementary
#66E2EF #EF669E #EFB766
monochromatic
#15B5C6 #2FD7E9 #66E2EF #9DEDF5 #D5F7FB

Accessibility & contrast

On white

1.53
#66E2EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.69
#66E2EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E2EF
13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66E2EF#FFFFFF#000000##000000
##66E2EF1.001.5313.6913.69
#FFFFFF1.531.0021.0021.00
#00000013.6921.001.001.00
##00000013.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2DAF0
Deuteranopia (green-blind)
#BDCAF0
Tritanopia (blue-blind)
#00EAE6
Achromatopsia (no color)
#D1D1D1

Design tokens & code

CSS
--color: #66e2ef;
/* rgb */ color: rgb(102, 226, 239);
/* oklch */ color: oklch(84.7% 0.111 204.7);
Tailwind
colors: {
  custom: {
    50: '#9eebf4',
    500: '#66e2ef',
    950: '#000000',
  },
}
SCSS
$custom: #66e2ef;
$custom-light: #9eebf4;
$custom-dark: #000000;
JSON
{
  "hex": "#66e2ef",
  "rgb": {
    "r": 102,
    "g": 226,
    "b": 239
  },
  "hsl": {
    "h": 185.693,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.84749,
    "c": 0.1112,
    "h": 204.7
  },
  "luminance": 0.63449
}

Semantic roles & 50–950 ramp

primary
#66E2EF
secondary
#C34336
accent
#1C08DD
background
#FCFEFF
surface
#F6FDFE
border
#D0D5D6
text
#101617
muted
#808485

Preview Lab

Preview with #66E2EF

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

Preview Lab → · Contrast checker → · Palette generator →

#66E2EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva