#66DDEB#66DDEB

#66DDEB is a very light, moderate teal. Relative luminance 0.605; OKLCH L 83.5% C 0.108 H 205.8°. Best body text is #000000 at 13.11:1 contrast (WCAG AA passes).

Color values

HEX	#66DDEB
RGB	rgb(102, 221, 235)
HSL	hsl(186, 77%, 66%)
HSV	hsv(186, 57%, 92%)
CMYK	cmyk(56.6%, 6%, 0%, 7.8%)
CIE-LAB	lab(82.13, -29.47, -16.99)
CIE-LCH	lch(82.13, 34.02, 209.96°)
OKLab	oklab(83.46% -0.0974 -0.047)
OKLCH	oklch(83.46% 0.108 205.8)
XYZ	xyz(46.3252, 60.5313, 87.8235)
Luminance	0.6054 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DDEB #EB7466

analogous

#66EBB6 #66DDEB #669AEB

triadic

#66DDEB #EB66DD #DDEB66

tetradic

#66DDEB #B666EB #EB7466 #9AEB66

square

#66DDEB #B666EB #EB7466 #9AEB66

split-complementary

#66DDEB #EB669A #EBB666

monochromatic

#19ACBE #30D1E4 #66DDEB #9CE9F2 #D2F5F9

Accessibility & contrast

On white

1.60

#66DDEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.11

#66DDEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DDEB

13.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DDEB	#FFFFFF	#000000	##000000
##66DDEB	1.00	1.60	13.11	13.11
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.11	21.00	1.00	1.00
##000000	13.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD5EC

Deuteranopia (green-blind)

#B8C6EB

Tritanopia (blue-blind)

#00E5E1

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66ddeb;
/* rgb */ color: rgb(102, 221, 235);
/* oklch */ color: oklch(83.5% 0.108 205.8);

Tailwind

colors: {
  custom: {
    50: '#9de8f1',
    500: '#66ddeb',
    950: '#000000',
  },
}

SCSS

$custom: #66ddeb;
$custom-light: #9de8f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66ddeb",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 235
  },
  "hsl": {
    "h": 186.316,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.8346,
    "c": 0.10816,
    "h": 205.8
  },
  "luminance": 0.60536
}

Semantic roles & 50–950 ramp

primary

#66DDEB

secondary

#BD4739

accent

#220CD9

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DDEB

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

Preview Lab → · Contrast checker → · Palette generator →