#66D5CB#66D5CB

#66D5CB is a light, moderate teal. Relative luminance 0.547; OKLCH L 80.5% C 0.103 H 187.5°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#66D5CB
RGB	rgb(102, 213, 203)
HSL	hsl(175, 57%, 62%)
HSV	hsv(175, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 4.7%, 16.5%)
CIE-LAB	lab(78.88, -34.12, -4.76)
CIE-LCH	lch(78.88, 34.45, 187.95°)
OKLab	oklab(80.53% -0.1021 -0.0134)
OKLCH	oklch(80.53% 0.103 187.5)
XYZ	xyz(40.0487, 54.7214, 64.9401)
Luminance	0.5473 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D5CB #D56670

analogous

#66D594 #66D5CB #66A7D5

triadic

#66D5CB #CB66D5 #D5CB66

tetradic

#66D5CB #9466D5 #D56670 #A7D566

square

#66D5CB #9466D5 #D56670 #A7D566

split-complementary

#66D5CB #D566A7 #D59466

monochromatic

#29978D #37C7BA #66D5CB #96E2DB #C6EFEC

Accessibility & contrast

On white

1.76

#66D5CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#66D5CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D5CB

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D5CB	#FFFFFF	#000000	##000000
##66D5CB	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCBCB

Deuteranopia (green-blind)

#B9BECC

Tritanopia (blue-blind)

#18D9D2

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66d5cb;
/* rgb */ color: rgb(102, 213, 203);
/* oklch */ color: oklch(80.5% 0.103 187.5);

Tailwind

colors: {
  custom: {
    50: '#9ae2da',
    500: '#66d5cb',
    950: '#000000',
  },
}

SCSS

$custom: #66d5cb;
$custom-light: #9ae2da;
$custom-dark: #000000;

JSON

{
  "hex": "#66d5cb",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 203
  },
  "hsl": {
    "h": 174.595,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.80531,
    "c": 0.10298,
    "h": 187.5
  },
  "luminance": 0.54725
}

Semantic roles & 50–950 ramp

primary

#66D5CB

secondary

#9C434B

accent

#2130C4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0F1514

muted

#808483

Preview Lab

Preview with #66D5CB

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

Preview Lab → · Contrast checker → · Palette generator →