#66D5CD#66D5CD

#66D5CD is a light, moderate teal. Relative luminance 0.548; OKLCH L 80.6% C 0.103 H 189.0°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#66D5CD
RGB	rgb(102, 213, 205)
HSL	hsl(176, 57%, 62%)
HSV	hsv(176, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 3.8%, 16.5%)
CIE-LAB	lab(78.94, -33.61, -5.75)
CIE-LCH	lch(78.94, 34.10, 189.71°)
OKLab	oklab(80.59% -0.1013 -0.0161)
OKLCH	oklch(80.59% 0.103 189)
XYZ	xyz(40.2885, 54.8173, 66.2034)
Luminance	0.5482 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D5CD #D5666E

analogous

#66D596 #66D5CD #66A6D5

triadic

#66D5CD #CD66D5 #D5CD66

tetradic

#66D5CD #9666D5 #D5666E #A6D566

square

#66D5CD #9666D5 #D5666E #A6D566

split-complementary

#66D5CD #D566A6 #D59666

monochromatic

#29978F #37C7BD #66D5CD #96E2DD #C6EFEC

Accessibility & contrast

On white

1.76

#66D5CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#66D5CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D5CD

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D5CD	#FFFFFF	#000000	##000000
##66D5CD	1.00	1.76	11.96	11.96
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.96	21.00	1.00	1.00
##000000	11.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCBCD

Deuteranopia (green-blind)

#B9BECE

Tritanopia (blue-blind)

#13DAD2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66d5cd;
/* rgb */ color: rgb(102, 213, 205);
/* oklch */ color: oklch(80.6% 0.103 189.0);

Tailwind

colors: {
  custom: {
    50: '#9be2dc',
    500: '#66d5cd',
    950: '#000000',
  },
}

SCSS

$custom: #66d5cd;
$custom-light: #9be2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#66d5cd",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 205
  },
  "hsl": {
    "h": 175.676,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.80594,
    "c": 0.10252,
    "h": 189
  },
  "luminance": 0.54821
}

Semantic roles & 50–950 ramp

primary

#66D5CD

secondary

#9C434A

accent

#212DC4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1515

muted

#808484

Preview Lab

Preview with #66D5CD

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

Preview Lab → · Contrast checker → · Palette generator →