#66CFDF#66CFDF

#66CFDF is a light, moderate teal. Relative luminance 0.528; OKLCH L 79.8% C 0.099 H 208.6°. Best body text is #000000 at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#66CFDF
RGB	rgb(102, 207, 223)
HSL	hsl(188, 65%, 64%)
HSV	hsv(188, 54%, 87%)
CMYK	cmyk(54.3%, 7.2%, 0%, 12.5%)
CIE-LAB	lab(77.74, -25.94, -17.19)
CIE-LCH	lch(77.74, 31.12, 213.53°)
OKLab	oklab(79.81% -0.0873 -0.0475)
OKLCH	oklch(79.81% 0.099 208.6)
XYZ	xyz(41.1062, 52.7743, 77.8179)
Luminance	0.5278 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CFDF #DF7666

analogous

#66DFB2 #66CFDF #6692DF

triadic

#66CFDF #DF66CF #CFDF66

tetradic

#66CFDF #B266DF #DF7666 #92DF66

square

#66CFDF #B266DF #DF7666 #92DF66

split-complementary

#66CFDF #DF6692 #DFB266

monochromatic

#2396A8 #33BFD4 #66CFDF #99DFEA #CBEFF4

Accessibility & contrast

On white

1.82

#66CFDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.56

#66CFDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CFDF

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CFDF	#FFFFFF	#000000	##000000
##66CFDF	1.00	1.82	11.56	11.56
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.56	21.00	1.00	1.00
##000000	11.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0C8E0

Deuteranopia (green-blind)

#ADBADF

Tritanopia (blue-blind)

#00D7D4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66cfdf;
/* rgb */ color: rgb(102, 207, 223);
/* oklch */ color: oklch(79.8% 0.099 208.6);

Tailwind

colors: {
  custom: {
    50: '#9bdee9',
    500: '#66cfdf',
    950: '#000000',
  },
}

SCSS

$custom: #66cfdf;
$custom-light: #9bdee9;
$custom-dark: #000000;

JSON

{
  "hex": "#66cfdf",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 223
  },
  "hsl": {
    "h": 187.934,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.7981,
    "c": 0.09939,
    "h": 208.6
  },
  "luminance": 0.52778
}

Semantic roles & 50–950 ramp

primary

#66CFDF

secondary

#AA4D3F

accent

#3018CD

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0F1516

muted

#808484

Preview Lab

Preview with #66CFDF

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

Preview Lab → · Contrast checker → · Palette generator →