#66EEFF#66EEFF

#66EEFF is a very light, moderate teal. Relative luminance 0.712; OKLCH L 88.1% C 0.120 H 206.6°. Best body text is #000000 at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#66EEFF
RGB	rgb(102, 238, 255)
HSL	hsl(187, 100%, 70%)
HSV	hsv(187, 60%, 100%)
CMYK	cmyk(60%, 6.7%, 0%, 0%)
CIE-LAB	lab(87.58, -32.09, -19.31)
CIE-LCH	lch(87.58, 37.45, 211.04°)
OKLab	oklab(88.06% -0.107 -0.0535)
OKLCH	oklch(88.06% 0.12 206.6)
XYZ	xyz(54.0965, 71.1882, 105.4781)
Luminance	0.7119 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEFF #FF7766

analogous

#66FFC4 #66EEFF #66A1FF

triadic

#66EEFF #FF66EE #EEFF66

tetradic

#66EEFF #C466FF #FF7766 #A1FF66

square

#66EEFF #C466FF #FF7766 #A1FF66

split-complementary

#66EEFF #FF66A1 #FFC466

monochromatic

#00D1EB #29E7FF #66EEFF #A3F5FF #E0FCFF

Accessibility & contrast

On white

1.38

#66EEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.24

#66EEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEFF

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEFF	#FFFFFF	#000000	##000000
##66EEFF	1.00	1.38	15.24	15.24
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.24	21.00	1.00	1.00
##000000	15.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCE5FF

Deuteranopia (green-blind)

#C5D4FF

Tritanopia (blue-blind)

#00F7F3

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #66eeff;
/* rgb */ color: rgb(102, 238, 255);
/* oklch */ color: oklch(88.1% 0.120 206.6);

Tailwind

colors: {
  custom: {
    50: '#a0f4ff',
    500: '#66eeff',
    950: '#000000',
  },
}

SCSS

$custom: #66eeff;
$custom-light: #a0f4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#66eeff",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 255
  },
  "hsl": {
    "h": 186.667,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.88055,
    "c": 0.11963,
    "h": 206.6
  },
  "luminance": 0.71194
}

Semantic roles & 50–950 ramp

primary

#66EEFF

secondary

#DA422F

accent

#1A00E6

background

#FDFFFF

surface

#F7FEFF

border

#D0D6D7

text

#101718

muted

#818586

Preview Lab

Preview with #66EEFF

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

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