#66C8CA#66C8CA

#66C8CA is a light, moderate teal. Relative luminance 0.484; OKLCH L 77.5% C 0.092 H 197.2°. Best body text is #000000 at 10.68:1 contrast (WCAG AA passes).

Color values

HEX#66C8CA
RGBrgb(102, 200, 202)
HSLhsl(181, 49%, 60%)
HSVhsv(181, 50%, 79%)
CMYKcmyk(49.5%, 1%, 0%, 20.8%)
CIE-LABlab(75.07, -28.16, -9.87)
CIE-LCHlch(75.07, 29.84, 199.31°)
OKLaboklab(77.45% -0.0882 -0.0273)
OKLCHoklch(77.45% 0.092 197.2)
XYZxyz(36.7901, 48.3943, 63.2679)
Luminance0.4840 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C8CA #CA6866
analogous
#66CA9A #66C8CA #6696CA
triadic
#66C8CA #CA66C8 #C8CA66
tetradic
#66C8CA #9A66CA #CA6866 #96CA66
square
#66C8CA #9A66CA #CA6866 #96CA66
split-complementary
#66C8CA #CA6696 #CA9A66
monochromatic
#2F8587 #3EB2B4 #66C8CA #93D8DA #C1E9E9

Accessibility & contrast

On white

1.97
#66C8CA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.68
#66C8CA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C8CA
10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C8CA#FFFFFF#000000##000000
##66C8CA1.001.9710.6810.68
#FFFFFF1.971.0021.0021.00
#00000010.6821.001.001.00
##00000010.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDC0CA
Deuteranopia (green-blind)
#ACB4CB
Tritanopia (blue-blind)
#23CEC8
Achromatopsia (no color)
#B9B9B9

Design tokens & code

CSS
--color: #66c8ca;
/* rgb */ color: rgb(102, 200, 202);
/* oklch */ color: oklch(77.5% 0.092 197.2);
Tailwind
colors: {
  custom: {
    50: '#99d9da',
    500: '#66c8ca',
    950: '#000000',
  },
}
SCSS
$custom: #66c8ca;
$custom-light: #99d9da;
$custom-dark: #000000;
JSON
{
  "hex": "#66c8ca",
  "rgb": {
    "r": 102,
    "g": 200,
    "b": 202
  },
  "hsl": {
    "h": 181.2,
    "s": 48.544,
    "l": 59.608
  },
  "oklch": {
    "l": 0.7745,
    "c": 0.09227,
    "h": 197.2
  },
  "luminance": 0.48398
}

Semantic roles & 50–950 ramp

primary
#66C8CA
secondary
#D9B3B2
accent
#5250D8
background
#F9FDFD
surface
#F2FAFA
border
#CCD3D3
text
#0F1414
muted
#7E8383

Preview Lab

Preview with #66C8CA

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

Preview Lab → · Contrast checker → · Palette generator →

#66C8CA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva