#66DCEB#66DCEB

#66DCEB is a very light, moderate teal. Relative luminance 0.600; OKLCH L 83.2% C 0.108 H 206.6°. Best body text is #000000 at 13.00:1 contrast (WCAG AA passes).

Color values

HEX#66DCEB
RGBrgb(102, 220, 235)
HSLhsl(187, 77%, 66%)
HSVhsv(187, 57%, 92%)
CMYKcmyk(56.6%, 6.4%, 0%, 7.8%)
CIE-LABlab(81.84, -28.99, -17.42)
CIE-LCHlch(81.84, 33.82, 211.00°)
OKLaboklab(83.23% -0.0964 -0.0482)
OKLCHoklch(83.23% 0.108 206.6)
XYZxyz(46.0619, 60.0048, 87.7358)
Luminance0.6001 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DCEB #EB7566
analogous
#66EBB7 #66DCEB #6699EB
triadic
#66DCEB #EB66DC #DCEB66
tetradic
#66DCEB #B766EB #EB7566 #99EB66
square
#66DCEB #B766EB #EB7566 #99EB66
split-complementary
#66DCEB #EB6699 #EBB766
monochromatic
#19ABBE #30D0E4 #66DCEB #9CE8F2 #D2F5F9

Accessibility & contrast

On white

1.62
#66DCEB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.00
#66DCEB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DCEB
13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DCEB#FFFFFF#000000##000000
##66DCEB1.001.6213.0013.00
#FFFFFF1.621.0021.0021.00
#00000013.0021.001.001.00
##00000013.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCD4EC
Deuteranopia (green-blind)
#B7C5EB
Tritanopia (blue-blind)
#00E4E0
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #66dceb;
/* rgb */ color: rgb(102, 220, 235);
/* oklch */ color: oklch(83.2% 0.108 206.6);
Tailwind
colors: {
  custom: {
    50: '#9de7f1',
    500: '#66dceb',
    950: '#000000',
  },
}
SCSS
$custom: #66dceb;
$custom-light: #9de7f1;
$custom-dark: #000000;
JSON
{
  "hex": "#66dceb",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 235
  },
  "hsl": {
    "h": 186.767,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.83231,
    "c": 0.10775,
    "h": 206.6
  },
  "luminance": 0.60009
}

Semantic roles & 50–950 ramp

primary
#66DCEB
secondary
#BD4839
accent
#230CD9
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#0F1616
muted
#808485

Preview Lab

Preview with #66DCEB

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

Preview Lab → · Contrast checker → · Palette generator →

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