#66D8CE#66D8CE

#66D8CE is a light, moderate teal. Relative luminance 0.564; OKLCH L 81.3% C 0.105 H 187.6°. Best body text is #000000 at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#66D8CE
RGB	rgb(102, 216, 206)
HSL	hsl(175, 59%, 62%)
HSV	hsv(175, 53%, 85%)
CMYK	cmyk(52.8%, 0%, 4.6%, 15.3%)
CIE-LAB	lab(79.83, -34.76, -4.96)
CIE-LCH	lch(79.83, 35.12, 188.12°)
OKLab	oklab(81.33% -0.1041 -0.0139)
OKLCH	oklch(81.33% 0.105 187.6)
XYZ	xyz(41.1712, 56.3889, 67.0950)
Luminance	0.5639 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D8CE #D86670

analogous

#66D895 #66D8CE #66A9D8

triadic

#66D8CE #CE66D8 #D8CE66

tetradic

#66D8CE #9566D8 #D86670 #A9D866

square

#66D8CE #9566D8 #D86670 #A9D866

split-complementary

#66D8CE #D866A9 #D89566

monochromatic

#289C92 #35CCBE #66D8CE #97E4DE #C8F1ED

Accessibility & contrast

On white

1.71

#66D8CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.28

#66D8CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D8CE

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D8CE	#FFFFFF	#000000	##000000
##66D8CE	1.00	1.71	12.28	12.28
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.28	21.00	1.00	1.00
##000000	12.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECECE

Deuteranopia (green-blind)

#BBC0CF

Tritanopia (blue-blind)

#0CDDD5

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66d8ce;
/* rgb */ color: rgb(102, 216, 206);
/* oklch */ color: oklch(81.3% 0.105 187.6);

Tailwind

colors: {
  custom: {
    50: '#9be4dc',
    500: '#66d8ce',
    950: '#000000',
  },
}

SCSS

$custom: #66d8ce;
$custom-light: #9be4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#66d8ce",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 206
  },
  "hsl": {
    "h": 174.737,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.81329,
    "c": 0.10501,
    "h": 187.6
  },
  "luminance": 0.56393
}

Semantic roles & 50–950 ramp

primary

#66D8CE

secondary

#A0424A

accent

#1E2DC7

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0F1515

muted

#808484

Preview Lab

Preview with #66D8CE

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

Preview Lab → · Contrast checker → · Palette generator →