#66EDEF#66EDEF

#66EDEF is a very light, moderate teal. Relative luminance 0.696; OKLCH L 87.3% C 0.117 H 196.6°. Best body text is #000000 at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#66EDEF
RGB	rgb(102, 237, 239)
HSL	hsl(181, 81%, 67%)
HSV	hsv(181, 57%, 94%)
CMYK	cmyk(57.3%, 0.8%, 0%, 6.3%)
CIE-LAB	lab(86.81, -35.95, -12.08)
CIE-LCH	lch(86.81, 37.93, 198.57°)
OKLab	oklab(87.28% -0.1124 -0.0334)
OKLCH	oklch(87.28% 0.117 196.6)
XYZ	xyz(51.3370, 69.6199, 92.3771)
Luminance	0.6963 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EDEF #EF6866

analogous

#66EFAD #66EDEF #66A9EF

triadic

#66EDEF #EF66ED #EDEF66

tetradic

#66EDEF #AD66EF #EF6866 #A9EF66

square

#66EDEF #AD66EF #EF6866 #A9EF66

split-complementary

#66EDEF #EF66A9 #EFAD66

monochromatic

#15C3C6 #2FE6E9 #66EDEF #9DF4F5 #D5FAFB

Accessibility & contrast

On white

1.41

#66EDEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.93

#66EDEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EDEF

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EDEF	#FFFFFF	#000000	##000000
##66EDEF	1.00	1.41	14.93	14.93
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.93	21.00	1.00	1.00
##000000	14.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFE3EF

Deuteranopia (green-blind)

#C9D2F0

Tritanopia (blue-blind)

#00F4ED

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66edef;
/* rgb */ color: rgb(102, 237, 239);
/* oklch */ color: oklch(87.3% 0.117 196.6);

Tailwind

colors: {
  custom: {
    50: '#9ff3f4',
    500: '#66edef',
    950: '#000000',
  },
}

SCSS

$custom: #66edef;
$custom-light: #9ff3f4;
$custom-dark: #000000;

JSON

{
  "hex": "#66edef",
  "rgb": {
    "r": 102,
    "g": 237,
    "b": 239
  },
  "hsl": {
    "h": 180.876,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87277,
    "c": 0.11728,
    "h": 196.6
  },
  "luminance": 0.69625
}

Semantic roles & 50–950 ramp

primary

#66EDEF

secondary

#C33836

accent

#0B08DD

background

#FDFFFF

surface

#F7FEFE

border

#D0D6D6

text

#101717

muted

#818585

Preview Lab

Preview with #66EDEF

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

Preview Lab → · Contrast checker → · Palette generator →