#66DAEE#66DAEE

#66DAEE is a very light, moderate teal. Relative luminance 0.591; OKLCH L 82.9% C 0.108 H 210.4°. Best body text is #000000 at 12.83:1 contrast (WCAG AA passes).

Color values

HEX	#66DAEE
RGB	rgb(102, 218, 238)
HSL	hsl(189, 80%, 67%)
HSV	hsv(189, 57%, 93%)
CMYK	cmyk(57.1%, 8.4%, 0%, 6.7%)
CIE-LAB	lab(81.37, -27.18, -19.73)
CIE-LCH	lch(81.37, 33.59, 215.97°)
OKLab	oklab(82.88% -0.0931 -0.0546)
OKLCH	oklch(82.88% 0.108 210.4)
XYZ	xyz(45.9772, 59.1361, 89.8638)
Luminance	0.5914 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DAEE #EE7A66

analogous

#66EEBE #66DAEE #6696EE

triadic

#66DAEE #EE66DA #DAEE66

tetradic

#66DAEE #BE66EE #EE7A66 #96EE66

square

#66DAEE #BE66EE #EE7A66 #96EE66

split-complementary

#66DAEE #EE6696 #EEBE66

monochromatic

#16AAC4 #2FCDE8 #66DAEE #9DE7F4 #D4F5FA

Accessibility & contrast

On white

1.64

#66DAEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.83

#66DAEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DAEE

12.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DAEE	#FFFFFF	#000000	##000000
##66DAEE	1.00	1.64	12.83	12.83
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.83	21.00	1.00	1.00
##000000	12.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9D3EF

Deuteranopia (green-blind)

#B4C4EE

Tritanopia (blue-blind)

#00E3E0

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66daee;
/* rgb */ color: rgb(102, 218, 238);
/* oklch */ color: oklch(82.9% 0.108 210.4);

Tailwind

colors: {
  custom: {
    50: '#9de5f3',
    500: '#66daee',
    950: '#000000',
  },
}

SCSS

$custom: #66daee;
$custom-light: #9de5f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66daee",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 238
  },
  "hsl": {
    "h": 188.824,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.82881,
    "c": 0.10794,
    "h": 210.4
  },
  "luminance": 0.59141
}

Semantic roles & 50–950 ramp

primary

#66DAEE

secondary

#C24B37

accent

#2809DC

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #66DAEE

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

Preview Lab → · Contrast checker → · Palette generator →