#66DCEE#66DCEE

#66DCEE is a very light, moderate teal. Relative luminance 0.602; OKLCH L 83.3% C 0.109 H 208.8°. Best body text is #000000 at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#66DCEE
RGB	rgb(102, 220, 238)
HSL	hsl(188, 80%, 67%)
HSV	hsv(188, 57%, 93%)
CMYK	cmyk(57.1%, 7.6%, 0%, 6.7%)
CIE-LAB	lab(81.94, -28.16, -18.87)
CIE-LCH	lch(81.94, 33.90, 213.83°)
OKLab	oklab(83.34% -0.0952 -0.0522)
OKLCH	oklch(83.34% 0.109 208.8)
XYZ	xyz(46.4990, 60.1796, 90.0377)
Luminance	0.6018 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DCEE #EE7866

analogous

#66EEBC #66DCEE #6698EE

triadic

#66DCEE #EE66DC #DCEE66

tetradic

#66DCEE #BC66EE #EE7866 #98EE66

square

#66DCEE #BC66EE #EE7866 #98EE66

split-complementary

#66DCEE #EE6698 #EEBC66

monochromatic

#16ADC4 #2FCFE8 #66DCEE #9DE9F4 #D4F5FA

Accessibility & contrast

On white

1.61

#66DCEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.04

#66DCEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DCEE

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DCEE	#FFFFFF	#000000	##000000
##66DCEE	1.00	1.61	13.04	13.04
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.04	21.00	1.00	1.00
##000000	13.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD5EF

Deuteranopia (green-blind)

#B6C5EE

Tritanopia (blue-blind)

#00E5E1

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66dcee;
/* rgb */ color: rgb(102, 220, 238);
/* oklch */ color: oklch(83.3% 0.109 208.8);

Tailwind

colors: {
  custom: {
    50: '#9de7f3',
    500: '#66dcee',
    950: '#000000',
  },
}

SCSS

$custom: #66dcee;
$custom-light: #9de7f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66dcee",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 238
  },
  "hsl": {
    "h": 187.941,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.83339,
    "c": 0.10858,
    "h": 208.8
  },
  "luminance": 0.60184
}

Semantic roles & 50–950 ramp

primary

#66DCEE

secondary

#C24937

accent

#2509DC

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #66DCEE

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

Preview Lab → · Contrast checker → · Palette generator →