#66DDF4#66DDF4

#66DDF4 is a very light, moderate teal. Relative luminance 0.611; OKLCH L 83.8% C 0.111 H 212.2°. Best body text is #000000 at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#66DDF4
RGB	rgb(102, 221, 244)
HSL	hsl(190, 87%, 68%)
HSV	hsv(190, 58%, 96%)
CMYK	cmyk(58.2%, 9.4%, 0%, 4.3%)
CIE-LAB	lab(82.41, -26.97, -21.33)
CIE-LCH	lch(82.41, 34.38, 218.34°)
OKLab	oklab(83.79% -0.0939 -0.0591)
OKLCH	oklch(83.79% 0.111 212.2)
XYZ	xyz(47.6584, 61.0646, 94.8454)
Luminance	0.6107 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DDF4 #F47D66

analogous

#66F4C4 #66DDF4 #6696F4

triadic

#66DDF4 #F466DD #DDF466

tetradic

#66DDF4 #C466F4 #F47D66 #96F466

square

#66DDF4 #C466F4 #F47D66 #96F466

split-complementary

#66DDF4 #F46696 #F4C466

monochromatic

#0FB1D1 #2DD0F0 #66DDF4 #9FEAF8 #D8F6FC

Accessibility & contrast

On white

1.59

#66DDF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.21

#66DDF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DDF4

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DDF4	#FFFFFF	#000000	##000000
##66DDF4	1.00	1.59	13.21	13.21
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.21	21.00	1.00	1.00
##000000	13.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD6F5

Deuteranopia (green-blind)

#B5C6F4

Tritanopia (blue-blind)

#00E7E4

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66ddf4;
/* rgb */ color: rgb(102, 221, 244);
/* oklch */ color: oklch(83.8% 0.111 212.2);

Tailwind

colors: {
  custom: {
    50: '#9ee7f7',
    500: '#66ddf4',
    950: '#000000',
  },
}

SCSS

$custom: #66ddf4;
$custom-light: #9ee7f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66ddf4",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 244
  },
  "hsl": {
    "h": 189.718,
    "s": 86.585,
    "l": 67.843
  },
  "oklch": {
    "l": 0.83787,
    "c": 0.11095,
    "h": 212.2
  },
  "luminance": 0.61069
}

Semantic roles & 50–950 ramp

primary

#66DDF4

secondary

#CC4B32

accent

#2702E3

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#101617

muted

#808485

Preview Lab

Preview with #66DDF4

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

Preview Lab → · Contrast checker → · Palette generator →