#66CFDA#66CFDA

#66CFDA is a light, moderate teal. Relative luminance 0.525; OKLCH L 79.6% C 0.098 H 204.5°. Best body text is #000000 at 11.50:1 contrast (WCAG AA passes).

Color values

HEX#66CFDA
RGBrgb(102, 207, 218)
HSLhsl(186, 61%, 63%)
HSVhsv(186, 53%, 85%)
CMYKcmyk(53.2%, 5%, 0%, 14.5%)
CIE-LABlab(77.58, -27.31, -14.74)
CIE-LCHlch(77.58, 31.03, 208.36°)
OKLaboklab(79.63% -0.0893 -0.0407)
OKLCHoklch(79.63% 0.098 204.5)
XYZxyz(40.4421, 52.5086, 74.3200)
Luminance0.5251 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CFDA #DA7166
analogous
#66DAAB #66CFDA #6695DA
triadic
#66CFDA #DA66CF #CFDA66
tetradic
#66CFDA #AB66DA #DA7166 #95DA66
square
#66CFDA #AB66DA #DA7166 #95DA66
split-complementary
#66CFDA #DA6695 #DAAB66
monochromatic
#26949F #35C0CE #66CFDA #97DEE6 #C9EEF2

Accessibility & contrast

On white

1.83
#66CFDA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.50
#66CFDA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CFDA
11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CFDA#FFFFFF#000000##000000
##66CFDA1.001.8311.5011.50
#FFFFFF1.831.0021.0021.00
#00000011.5021.001.001.00
##00000011.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1C8DB
Deuteranopia (green-blind)
#AFBADA
Tritanopia (blue-blind)
#00D6D2
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #66cfda;
/* rgb */ color: rgb(102, 207, 218);
/* oklch */ color: oklch(79.6% 0.098 204.5);
Tailwind
colors: {
  custom: {
    50: '#9bdee5',
    500: '#66cfda',
    950: '#000000',
  },
}
SCSS
$custom: #66cfda;
$custom-light: #9bdee5;
$custom-dark: #000000;
JSON
{
  "hex": "#66cfda",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 218
  },
  "hsl": {
    "h": 185.69,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.79631,
    "c": 0.09814,
    "h": 204.5
  },
  "luminance": 0.52512
}

Semantic roles & 50–950 ramp

primary
#66CFDA
secondary
#A34B41
accent
#2D1DC9
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0F1515
muted
#808484

Preview Lab

Preview with #66CFDA

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

Preview Lab → · Contrast checker → · Palette generator →

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