#66D8CB#66D8CB

#66D8CB is a light, moderate teal. Relative luminance 0.562; OKLCH L 81.2% C 0.106 H 185.4°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#66D8CB
RGB	rgb(102, 216, 203)
HSL	hsl(173, 59%, 62%)
HSV	hsv(173, 53%, 85%)
CMYK	cmyk(52.8%, 0%, 6%, 15.3%)
CIE-LAB	lab(79.75, -35.52, -3.48)
CIE-LCH	lch(79.75, 35.69, 185.59°)
OKLab	oklab(81.24% -0.1054 -0.0099)
OKLCH	oklch(81.24% 0.106 185.4)
XYZ	xyz(40.8102, 56.2445, 65.1940)
Luminance	0.5625 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D8CB #D86673

analogous

#66D892 #66D8CB #66ACD8

triadic

#66D8CB #CB66D8 #D8CB66

tetradic

#66D8CB #9266D8 #D86673 #ACD866

square

#66D8CB #9266D8 #D86673 #ACD866

split-complementary

#66D8CB #D866AC #D89266

monochromatic

#289C8F #35CCBA #66D8CB #97E4DC #C8F1EC

Accessibility & contrast

On white

1.71

#66D8CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#66D8CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D8CB

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D8CB	#FFFFFF	#000000	##000000
##66D8CB	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFCECB

Deuteranopia (green-blind)

#BCC0CC

Tritanopia (blue-blind)

#15DCD4

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #66d8cb;
/* rgb */ color: rgb(102, 216, 203);
/* oklch */ color: oklch(81.2% 0.106 185.4);

Tailwind

colors: {
  custom: {
    50: '#9be4da',
    500: '#66d8cb',
    950: '#000000',
  },
}

SCSS

$custom: #66d8cb;
$custom-light: #9be4da;
$custom-dark: #000000;

JSON

{
  "hex": "#66d8cb",
  "rgb": {
    "r": 102,
    "g": 216,
    "b": 203
  },
  "hsl": {
    "h": 173.158,
    "s": 59.375,
    "l": 62.353
  },
  "oklch": {
    "l": 0.81236,
    "c": 0.10584,
    "h": 185.4
  },
  "luminance": 0.56248
}

Semantic roles & 50–950 ramp

primary

#66D8CB

secondary

#A0424D

accent

#1E32C7

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1514

muted

#808483

Preview Lab

Preview with #66D8CB

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

Preview Lab → · Contrast checker → · Palette generator →