#66DFEE#66DFEE

#66DFEE is a very light, moderate teal. Relative luminance 0.618; OKLCH L 84.0% C 0.110 H 206.3°. Best body text is #000000 at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#66DFEE
RGB	rgb(102, 223, 238)
HSL	hsl(187, 80%, 67%)
HSV	hsv(187, 57%, 93%)
CMYK	cmyk(57.1%, 6.3%, 0%, 6.7%)
CIE-LAB	lab(82.79, -29.61, -17.58)
CIE-LCH	lch(82.79, 34.44, 210.70°)
OKLab	oklab(84.03% -0.0983 -0.0486)
OKLCH	oklch(84.03% 0.11 206.3)
XYZ	xyz(47.2934, 61.7685, 90.3025)
Luminance	0.6177 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DFEE #EE7566

analogous

#66EEB9 #66DFEE #669BEE

triadic

#66DFEE #EE66DF #DFEE66

tetradic

#66DFEE #B966EE #EE7566 #9BEE66

square

#66DFEE #B966EE #EE7566 #9BEE66

split-complementary

#66DFEE #EE669B #EEB966

monochromatic

#16B1C4 #2FD3E8 #66DFEE #9DEBF4 #D4F6FA

Accessibility & contrast

On white

1.57

#66DFEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.35

#66DFEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFEE

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DFEE	#FFFFFF	#000000	##000000
##66DFEE	1.00	1.57	13.35	13.35
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.35	21.00	1.00	1.00
##000000	13.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD7EF

Deuteranopia (green-blind)

#BAC7EE

Tritanopia (blue-blind)

#00E7E3

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66dfee;
/* rgb */ color: rgb(102, 223, 238);
/* oklch */ color: oklch(84.0% 0.110 206.3);

Tailwind

colors: {
  custom: {
    50: '#9ee9f3',
    500: '#66dfee',
    950: '#000000',
  },
}

SCSS

$custom: #66dfee;
$custom-light: #9ee9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66dfee",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 238
  },
  "hsl": {
    "h": 186.618,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.84026,
    "c": 0.10969,
    "h": 206.3
  },
  "luminance": 0.61773
}

Semantic roles & 50–950 ramp

primary

#66DFEE

secondary

#C24637

accent

#2009DC

background

#FCFEFF

surface

#F6FDFE

border

#D0D5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #66DFEE

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

Preview Lab → · Contrast checker → · Palette generator →