#66DCEA#66DCEA

#66DCEA is a very light, moderate teal. Relative luminance 0.600; OKLCH L 83.2% C 0.108 H 205.8°. Best body text is #000000 at 12.99:1 contrast (WCAG AA passes).

Color values

HEX#66DCEA
RGBrgb(102, 220, 234)
HSLhsl(186, 76%, 66%)
HSVhsv(186, 56%, 92%)
CMYKcmyk(56.4%, 6%, 0%, 8.2%)
CIE-LABlab(81.81, -29.26, -16.93)
CIE-LCHlch(81.81, 33.81, 210.06°)
OKLaboklab(83.2% -0.0968 -0.0468)
OKLCHoklch(83.2% 0.108 205.8)
XYZxyz(45.9179, 59.9472, 86.9770)
Luminance0.5995 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DCEA #EA7466
analogous
#66EAB6 #66DCEA #669AEA
triadic
#66DCEA #EA66DC #DCEA66
tetradic
#66DCEA #B666EA #EA7466 #9AEA66
square
#66DCEA #B666EA #EA7466 #9AEA66
split-complementary
#66DCEA #EA669A #EAB666
monochromatic
#1AABBC #30D0E3 #66DCEA #9CE8F1 #D2F5F9

Accessibility & contrast

On white

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

On black

12.99
#66DCEA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DCEA
12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DCEA#FFFFFF#000000##000000
##66DCEA1.001.6212.9912.99
#FFFFFF1.621.0021.0021.00
#00000012.9921.001.001.00
##00000012.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCD4EB
Deuteranopia (green-blind)
#B8C5EA
Tritanopia (blue-blind)
#00E4E0
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #66dcea;
/* rgb */ color: rgb(102, 220, 234);
/* oklch */ color: oklch(83.2% 0.108 205.8);
Tailwind
colors: {
  custom: {
    50: '#9de7f0',
    500: '#66dcea',
    950: '#000000',
  },
}
SCSS
$custom: #66dcea;
$custom-light: #9de7f0;
$custom-dark: #000000;
JSON
{
  "hex": "#66dcea",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 234
  },
  "hsl": {
    "h": 186.364,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.83195,
    "c": 0.10751,
    "h": 205.8
  },
  "luminance": 0.59952
}

Semantic roles & 50–950 ramp

primary
#66DCEA
secondary
#BB4739
accent
#230DD8
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#0F1616
muted
#808485

Preview Lab

Preview with #66DCEA

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

Preview Lab → · Contrast checker → · Palette generator →

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