#66DCEB#66DCEB

#66DCEB is a very light, moderate teal. Relative luminance 0.600; OKLCH L 83.2% C 0.108 H 206.6°. Best body text is #000000 at 13.00:1 contrast (WCAG AA passes).

Color values

HEX	#66DCEB
RGB	rgb(102, 220, 235)
HSL	hsl(187, 77%, 66%)
HSV	hsv(187, 57%, 92%)
CMYK	cmyk(56.6%, 6.4%, 0%, 7.8%)
CIE-LAB	lab(81.84, -28.99, -17.42)
CIE-LCH	lch(81.84, 33.82, 211.00°)
OKLab	oklab(83.23% -0.0964 -0.0482)
OKLCH	oklch(83.23% 0.108 206.6)
XYZ	xyz(46.0619, 60.0048, 87.7358)
Luminance	0.6001 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DCEB #EB7566

analogous

#66EBB7 #66DCEB #6699EB

triadic

#66DCEB #EB66DC #DCEB66

tetradic

#66DCEB #B766EB #EB7566 #99EB66

square

#66DCEB #B766EB #EB7566 #99EB66

split-complementary

#66DCEB #EB6699 #EBB766

monochromatic

#19ABBE #30D0E4 #66DCEB #9CE8F2 #D2F5F9

Accessibility & contrast

On white

1.62

#66DCEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.00

#66DCEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DCEB

13.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DCEB	#FFFFFF	#000000	##000000
##66DCEB	1.00	1.62	13.00	13.00
#FFFFFF	1.62	1.00	21.00	21.00
#000000	13.00	21.00	1.00	1.00
##000000	13.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD4EC

Deuteranopia (green-blind)

#B7C5EB

Tritanopia (blue-blind)

#00E4E0

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66dceb;
/* rgb */ color: rgb(102, 220, 235);
/* oklch */ color: oklch(83.2% 0.108 206.6);

Tailwind

colors: {
  custom: {
    50: '#9de7f1',
    500: '#66dceb',
    950: '#000000',
  },
}

SCSS

$custom: #66dceb;
$custom-light: #9de7f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66dceb",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 235
  },
  "hsl": {
    "h": 186.767,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.83231,
    "c": 0.10775,
    "h": 206.6
  },
  "luminance": 0.60009
}

Semantic roles & 50–950 ramp

primary

#66DCEB

secondary

#BD4839

accent

#230CD9

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DCEB

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

Preview Lab → · Contrast checker → · Palette generator →