#66C8CD#66C8CD

#66C8CD is a light, moderate teal. Relative luminance 0.485; OKLCH L 77.6% C 0.092 H 199.8°. Best body text is #000000 at 10.71:1 contrast (WCAG AA passes).

Color values

HEX#66C8CD
RGBrgb(102, 200, 205)
HSLhsl(183, 51%, 60%)
HSVhsv(183, 50%, 80%)
CMYKcmyk(50.2%, 2.4%, 0%, 19.6%)
CIE-LABlab(75.16, -27.37, -11.36)
CIE-LCHlch(75.16, 29.64, 202.54°)
OKLaboklab(77.55% -0.0869 -0.0314)
OKLCHoklch(77.55% 0.092 199.8)
XYZxyz(37.1488, 48.5378, 65.1568)
Luminance0.4854 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C8CD #CD6B66
analogous
#66CD9F #66C8CD #6694CD
triadic
#66C8CD #CD66C8 #C8CD66
tetradic
#66C8CD #9F66CD #CD6B66 #94CD66
square
#66C8CD #9F66CD #CD6B66 #94CD66
split-complementary
#66C8CD #CD6694 #CD9F66
monochromatic
#2D878B #3DB3B9 #66C8CD #94D9DC #C2E9EB

Accessibility & contrast

On white

1.96
#66C8CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.71
#66C8CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C8CD
10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C8CD#FFFFFF#000000##000000
##66C8CD1.001.9610.7110.71
#FFFFFF1.961.0021.0021.00
#00000010.7121.001.001.00
##00000010.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#BCC0CE
Deuteranopia (green-blind)
#ABB4CE
Tritanopia (blue-blind)
#1FCEC9
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #66c8cd;
/* rgb */ color: rgb(102, 200, 205);
/* oklch */ color: oklch(77.6% 0.092 199.8);
Tailwind
colors: {
  custom: {
    50: '#99d9dc',
    500: '#66c8cd',
    950: '#000000',
  },
}
SCSS
$custom: #66c8cd;
$custom-light: #99d9dc;
$custom-dark: #000000;
JSON
{
  "hex": "#66c8cd",
  "rgb": {
    "r": 102,
    "g": 200,
    "b": 205
  },
  "hsl": {
    "h": 182.913,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.77552,
    "c": 0.09238,
    "h": 199.8
  },
  "luminance": 0.48541
}

Semantic roles & 50–950 ramp

primary
#66C8CD
secondary
#DBB6B4
accent
#2F27BE
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0F1415
muted
#7E8383

Preview Lab

Preview with #66C8CD

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

Preview Lab → · Contrast checker → · Palette generator →

#66C8CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva