#66DFEF#66DFEF

#66DFEF is a very light, moderate teal. Relative luminance 0.618; OKLCH L 84.1% C 0.110 H 207.0°. Best body text is #000000 at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#66DFEF
RGB	rgb(102, 223, 239)
HSL	hsl(187, 81%, 67%)
HSV	hsv(187, 57%, 94%)
CMYK	cmyk(57.3%, 6.7%, 0%, 6.3%)
CIE-LAB	lab(82.82, -29.34, -18.06)
CIE-LCH	lch(82.82, 34.45, 211.62°)
OKLab	oklab(84.06% -0.0979 -0.05)
OKLCH	oklch(84.06% 0.11 207)
XYZ	xyz(47.4407, 61.8274, 91.0784)
Luminance	0.6183 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DFEF #EF7666

analogous

#66EFBA #66DFEF #669BEF

triadic

#66DFEF #EF66DF #DFEF66

tetradic

#66DFEF #BA66EF #EF7666 #9BEF66

square

#66DFEF #BA66EF #EF7666 #9BEF66

split-complementary

#66DFEF #EF669B #EFBA66

monochromatic

#15B1C6 #2FD3E9 #66DFEF #9DEBF5 #D5F6FB

Accessibility & contrast

On white

1.57

#66DFEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.37

#66DFEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFEF

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DFEF	#FFFFFF	#000000	##000000
##66DFEF	1.00	1.57	13.37	13.37
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.37	21.00	1.00	1.00
##000000	13.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CED7F0

Deuteranopia (green-blind)

#B9C8EF

Tritanopia (blue-blind)

#00E8E4

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66dfef;
/* rgb */ color: rgb(102, 223, 239);
/* oklch */ color: oklch(84.1% 0.110 207.0);

Tailwind

colors: {
  custom: {
    50: '#9ee9f4',
    500: '#66dfef',
    950: '#000000',
  },
}

SCSS

$custom: #66dfef;
$custom-light: #9ee9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#66dfef",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 239
  },
  "hsl": {
    "h": 187.007,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.84061,
    "c": 0.10995,
    "h": 207
  },
  "luminance": 0.61832
}

Semantic roles & 50–950 ramp

primary

#66DFEF

secondary

#C34636

accent

#2108DD

background

#FCFEFF

surface

#F6FDFE

border

#D0D5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #66DFEF

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

Preview Lab → · Contrast checker → · Palette generator →