#66D9EA#66D9EA

#66D9EA is a very light, moderate teal. Relative luminance 0.584; OKLCH L 82.5% C 0.106 H 208.3°. Best body text is #000000 at 12.68:1 contrast (WCAG AA passes).

Color values

HEX#66D9EA
RGBrgb(102, 217, 234)
HSLhsl(188, 76%, 66%)
HSVhsv(188, 56%, 92%)
CMYKcmyk(56.4%, 7.3%, 0%, 8.2%)
CIE-LABlab(80.95, -27.81, -18.23)
CIE-LCHlch(80.95, 33.25, 213.24°)
OKLaboklab(82.51% -0.0936 -0.0504)
OKLCHoklch(82.51% 0.106 208.3)
XYZxyz(45.1376, 58.3866, 86.7170)
Luminance0.5839 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66D9EA #EA7766
analogous
#66EAB9 #66D9EA #6697EA
triadic
#66D9EA #EA66D9 #D9EA66
tetradic
#66D9EA #B966EA #EA7766 #97EA66
square
#66D9EA #B966EA #EA7766 #97EA66
split-complementary
#66D9EA #EA6697 #EAB966
monochromatic
#1AA7BC #30CCE3 #66D9EA #9CE6F1 #D2F4F9

Accessibility & contrast

On white

1.66
#66D9EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.68
#66D9EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D9EA
12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66D9EA#FFFFFF#000000##000000
##66D9EA1.001.6612.6812.68
#FFFFFF1.661.0021.0021.00
#00000012.6821.001.001.00
##00000012.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#C9D2EB
Deuteranopia (green-blind)
#B4C3EA
Tritanopia (blue-blind)
#00E2DE
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #66d9ea;
/* rgb */ color: rgb(102, 217, 234);
/* oklch */ color: oklch(82.5% 0.106 208.3);
Tailwind
colors: {
  custom: {
    50: '#9de5f0',
    500: '#66d9ea',
    950: '#000000',
  },
}
SCSS
$custom: #66d9ea;
$custom-light: #9de5f0;
$custom-dark: #000000;
JSON
{
  "hex": "#66d9ea",
  "rgb": {
    "r": 102,
    "g": 217,
    "b": 234
  },
  "hsl": {
    "h": 187.727,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.82507,
    "c": 0.10633,
    "h": 208.3
  },
  "luminance": 0.58391
}

Semantic roles & 50–950 ramp

primary
#66D9EA
secondary
#BB4A39
accent
#280DD8
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#0F1516
muted
#808485

Preview Lab

Preview with #66D9EA

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

Preview Lab → · Contrast checker → · Palette generator →

#66D9EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva