#66D8DB#66D8DB

#66D8DB is a light, moderate teal. Relative luminance 0.571; OKLCH L 81.8% C 0.103 H 197.7°. Best body text is #000000 at 12.41:1 contrast (WCAG AA passes).

Color values

HEX#66D8DB
RGBrgb(102, 216, 219)
HSLhsl(182, 62%, 63%)
HSVhsv(182, 53%, 86%)
CMYKcmyk(53.4%, 1.4%, 0%, 14.1%)
CIE-LABlab(80.21, -31.39, -11.35)
CIE-LCHlch(80.21, 33.38, 199.88°)
OKLaboklab(81.75% -0.0986 -0.0314)
OKLCHoklch(81.75% 0.103 197.7)
XYZxyz(42.8162, 57.0469, 75.7589)
Luminance0.5705 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66D8DB #DB6966
analogous
#66DBA3 #66D8DB #669EDB
triadic
#66D8DB #DB66D8 #D8DB66
tetradic
#66D8DB #A366DB #DB6966 #9EDB66
square
#66D8DB #A366DB #DB6966 #9EDB66
split-complementary
#66D8DB #DB669E #DBA366
monochromatic
#269EA1 #34CBCF #66D8DB #98E5E7 #C9F1F2

Accessibility & contrast

On white

1.69
#66D8DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.41
#66D8DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D8DB
12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66D8DB#FFFFFF#000000##000000
##66D8DB1.001.6912.4112.41
#FFFFFF1.691.0021.0021.00
#00000012.4121.001.001.00
##00000012.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBCFDB
Deuteranopia (green-blind)
#B8C1DC
Tritanopia (blue-blind)
#00DED9
Achromatopsia (no color)
#C7C7C7

Design tokens & code

CSS
--color: #66d8db;
/* rgb */ color: rgb(102, 216, 219);
/* oklch */ color: oklch(81.8% 0.103 197.7);
Tailwind
colors: {
  custom: {
    50: '#9ce4e6',
    500: '#66d8db',
    950: '#000000',
  },
}
SCSS
$custom: #66d8db;
$custom-light: #9ce4e6;
$custom-dark: #000000;
JSON
{
  "hex": "#66d8db",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 219
  },
  "hsl": {
    "h": 181.538,
    "s": 61.905,
    "l": 62.941
  },
  "oklch": {
    "l": 0.81752,
    "c": 0.10348,
    "h": 197.7
  },
  "luminance": 0.57051
}

Semantic roles & 50–950 ramp

primary
#66D8DB
secondary
#A44341
accent
#201CCA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0F1515
muted
#808484

Preview Lab

Preview with #66D8DB

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

Preview Lab → · Contrast checker → · Palette generator →

#66D8DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva