#66D8CA#66D8CA

#66D8CA is a light, moderate teal. Relative luminance 0.562; OKLCH L 81.2% C 0.106 H 184.7°. Best body text is #000000 at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#66D8CA
RGB	rgb(102, 216, 202)
HSL	hsl(173, 59%, 62%)
HSV	hsv(173, 53%, 85%)
CMYK	cmyk(52.8%, 0%, 6.5%, 15.3%)
CIE-LAB	lab(79.73, -35.77, -2.98)
CIE-LCH	lch(79.73, 35.89, 184.77°)
OKLab	oklab(81.21% -0.1058 -0.0086)
OKLCH	oklch(81.21% 0.106 184.7)
XYZ	xyz(40.6914, 56.1970, 64.5684)
Luminance	0.5620 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D8CA #D86674

analogous

#66D891 #66D8CA #66ADD8

triadic

#66D8CA #CA66D8 #D8CA66

tetradic

#66D8CA #9166D8 #D86674 #ADD866

square

#66D8CA #9166D8 #D86674 #ADD866

split-complementary

#66D8CA #D866AD #D89166

monochromatic

#289C8E #35CCB9 #66D8CA #97E4DB #C8F1EC

Accessibility & contrast

On white

1.72

#66D8CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.24

#66D8CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D8CA

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D8CA	#FFFFFF	#000000	##000000
##66D8CA	1.00	1.72	12.24	12.24
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.24	21.00	1.00	1.00
##000000	12.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFCDCA

Deuteranopia (green-blind)

#BCC0CB

Tritanopia (blue-blind)

#17DCD3

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66d8ca;
/* rgb */ color: rgb(102, 216, 202);
/* oklch */ color: oklch(81.2% 0.106 184.7);

Tailwind

colors: {
  custom: {
    50: '#9be4da',
    500: '#66d8ca',
    950: '#000000',
  },
}

SCSS

$custom: #66d8ca;
$custom-light: #9be4da;
$custom-dark: #000000;

JSON

{
  "hex": "#66d8ca",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 202
  },
  "hsl": {
    "h": 172.632,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.81205,
    "c": 0.10615,
    "h": 184.7
  },
  "luminance": 0.56201
}

Semantic roles & 50–950 ramp

primary

#66D8CA

secondary

#A0424E

accent

#1E33C7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1514

muted

#808483

Preview Lab

Preview with #66D8CA

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

Preview Lab → · Contrast checker → · Palette generator →