#66EEDF#66EEDF

#66EEDF is a very light, vivid teal. Relative luminance 0.693; OKLCH L 87.0% C 0.121 H 185.3°. Best body text is #000000 at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#66EEDF
RGB	rgb(102, 238, 223)
HSL	hsl(173, 80%, 67%)
HSV	hsv(173, 57%, 93%)
CMYK	cmyk(57.1%, 0%, 6.3%, 6.7%)
CIE-LAB	lab(86.65, -40.54, -3.92)
CIE-LCH	lch(86.65, 40.73, 185.52°)
OKLab	oklab(87% -0.1201 -0.0112)
OKLCH	oklch(87% 0.121 185.3)
XYZ	xyz(49.3674, 69.2966, 80.5716)
Luminance	0.6930 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66EEDF #EE6675

analogous

#66EE9B #66EEDF #66B9EE

triadic

#66EEDF #DF66EE #EEDF66

tetradic

#66EEDF #9B66EE #EE6675 #B9EE66

square

#66EEDF #9B66EE #EE6675 #B9EE66

split-complementary

#66EEDF #EE66B9 #EE9B66

monochromatic

#16C4B1 #2FE8D3 #66EEDF #9DF4EB #D4FAF6

Accessibility & contrast

On white

1.41

#66EEDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.86

#66EEDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66EEDF

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66EEDF	#FFFFFF	#000000	##000000
##66EEDF	1.00	1.41	14.86	14.86
#FFFFFF	1.41	1.00	21.00	21.00
#000000	14.86	21.00	1.00	1.00
##000000	14.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3E2DF

Deuteranopia (green-blind)

#CED2E1

Tritanopia (blue-blind)

#00F3E9

Achromatopsia (no color)

#D9D9D9

Design tokens & code

CSS

--color: #66eedf;
/* rgb */ color: rgb(102, 238, 223);
/* oklch */ color: oklch(87.0% 0.121 185.3);

Tailwind

colors: {
  custom: {
    50: '#9ef4e8',
    500: '#66eedf',
    950: '#000000',
  },
}

SCSS

$custom: #66eedf;
$custom-light: #9ef4e8;
$custom-dark: #000000;

JSON

{
  "hex": "#66eedf",
  "rgb": {
    "r": 102,
    "g": 238,
    "b": 223
  },
  "hsl": {
    "h": 173.382,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.87,
    "c": 0.12066,
    "h": 185.3
  },
  "luminance": 0.69302
}

Semantic roles & 50–950 ramp

primary

#66EEDF

secondary

#C23746

accent

#0920DC

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#101716

muted

#808584

Preview Lab

Preview with #66EEDF

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

Preview Lab → · Contrast checker → · Palette generator →