#66D8CD#66D8CD

#66D8CD is a light, moderate teal. Relative luminance 0.563; OKLCH L 81.3% C 0.105 H 186.9°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#66D8CD
RGB	rgb(102, 216, 205)
HSL	hsl(174, 59%, 62%)
HSV	hsv(174, 53%, 85%)
CMYK	cmyk(52.8%, 0%, 5.1%, 15.3%)
CIE-LAB	lab(79.81, -35.02, -4.47)
CIE-LCH	lch(79.81, 35.30, 187.27°)
OKLab	oklab(81.3% -0.1045 -0.0126)
OKLCH	oklch(81.3% 0.105 186.9)
XYZ	xyz(41.0501, 56.3405, 66.4573)
Luminance	0.5634 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D8CD #D86671

analogous

#66D894 #66D8CD #66AAD8

triadic

#66D8CD #CD66D8 #D8CD66

tetradic

#66D8CD #9466D8 #D86671 #AAD866

square

#66D8CD #9466D8 #D86671 #AAD866

split-complementary

#66D8CD #D866AA #D89466

monochromatic

#289C91 #35CCBD #66D8CD #97E4DD #C8F1ED

Accessibility & contrast

On white

1.71

#66D8CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.27

#66D8CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D8CD

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D8CD	#FFFFFF	#000000	##000000
##66D8CD	1.00	1.71	12.27	12.27
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.27	21.00	1.00	1.00
##000000	12.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECECD

Deuteranopia (green-blind)

#BCC0CE

Tritanopia (blue-blind)

#0FDCD4

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66d8cd;
/* rgb */ color: rgb(102, 216, 205);
/* oklch */ color: oklch(81.3% 0.105 186.9);

Tailwind

colors: {
  custom: {
    50: '#9be4dc',
    500: '#66d8cd',
    950: '#000000',
  },
}

SCSS

$custom: #66d8cd;
$custom-light: #9be4dc;
$custom-dark: #000000;

JSON

{
  "hex": "#66d8cd",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 205
  },
  "hsl": {
    "h": 174.211,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.81298,
    "c": 0.10527,
    "h": 186.9
  },
  "luminance": 0.56344
}

Semantic roles & 50–950 ramp

primary

#66D8CD

secondary

#A0424B

accent

#1E2FC7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1515

muted

#808484

Preview Lab

Preview with #66D8CD

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

Preview Lab → · Contrast checker → · Palette generator →