#66DCDF#66DCDF

#66DCDF is a very light, moderate teal. Relative luminance 0.593; OKLCH L 82.8% C 0.106 H 197.6°. Best body text is #000000 at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#66DCDF
RGB	rgb(102, 220, 223)
HSL	hsl(181, 65%, 64%)
HSV	hsv(181, 54%, 87%)
CMYK	cmyk(54.3%, 1.3%, 0%, 12.5%)
CIE-LAB	lab(81.48, -32.23, -11.59)
CIE-LCH	lch(81.48, 34.25, 199.77°)
OKLab	oklab(82.82% -0.1012 -0.032)
OKLCH	oklch(82.82% 0.106 197.6)
XYZ	xyz(44.3864, 59.3346, 78.9113)
Luminance	0.5934 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DCDF #DF6966

analogous

#66DFA5 #66DCDF #669FDF

triadic

#66DCDF #DF66DC #DCDF66

tetradic

#66DCDF #A566DF #DF6966 #9FDF66

square

#66DCDF #A566DF #DF6966 #9FDF66

split-complementary

#66DCDF #DF669F #DFA566

monochromatic

#23A4A8 #33D0D4 #66DCDF #99E8EA #CBF3F4

Accessibility & contrast

On white

1.63

#66DCDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.87

#66DCDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DCDF

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DCDF	#FFFFFF	#000000	##000000
##66DCDF	1.00	1.63	12.87	12.87
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.87	21.00	1.00	1.00
##000000	12.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD3DF

Deuteranopia (green-blind)

#BBC4E0

Tritanopia (blue-blind)

#00E3DD

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66dcdf;
/* rgb */ color: rgb(102, 220, 223);
/* oklch */ color: oklch(82.8% 0.106 197.6);

Tailwind

colors: {
  custom: {
    50: '#9ce7e9',
    500: '#66dcdf',
    950: '#000000',
  },
}

SCSS

$custom: #66dcdf;
$custom-light: #9ce7e9;
$custom-dark: #000000;

JSON

{
  "hex": "#66dcdf",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 223
  },
  "hsl": {
    "h": 181.488,
    "s": 65.405,
    "l": 63.725
  },
  "oklch": {
    "l": 0.82815,
    "c": 0.10619,
    "h": 197.6
  },
  "luminance": 0.59339
}

Semantic roles & 50–950 ramp

primary

#66DCDF

secondary

#AA423F

accent

#1D18CD

background

#FCFEFE

surface

#F6FCFC

border

#D0D5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #66DCDF

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

Preview Lab → · Contrast checker → · Palette generator →