#66D5CE#66D5CE

#66D5CE is a light, moderate teal. Relative luminance 0.549; OKLCH L 80.6% C 0.102 H 189.8°. Best body text is #000000 at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#66D5CE
RGB	rgb(102, 213, 206)
HSL	hsl(176, 57%, 62%)
HSV	hsv(176, 52%, 84%)
CMYK	cmyk(52.1%, 0%, 3.3%, 16.5%)
CIE-LAB	lab(78.96, -33.36, -6.25)
CIE-LCH	lch(78.96, 33.94, 190.61°)
OKLab	oklab(80.63% -0.1008 -0.0174)
OKLCH	oklch(80.63% 0.102 189.8)
XYZ	xyz(40.4096, 54.8658, 66.8412)
Luminance	0.5487 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D5CE #D5666D

analogous

#66D597 #66D5CE #66A5D5

triadic

#66D5CE #CE66D5 #D5CE66

tetradic

#66D5CE #9766D5 #D5666D #A5D566

square

#66D5CE #9766D5 #D5666D #A5D566

split-complementary

#66D5CE #D566A5 #D59766

monochromatic

#299790 #37C7BE #66D5CE #96E2DD #C6EFED

Accessibility & contrast

On white

1.75

#66D5CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.97

#66D5CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D5CE

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D5CE	#FFFFFF	#000000	##000000
##66D5CE	1.00	1.75	11.97	11.97
#FFFFFF	1.75	1.00	21.00	21.00
#000000	11.97	21.00	1.00	1.00
##000000	11.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCBCE

Deuteranopia (green-blind)

#B8BECF

Tritanopia (blue-blind)

#11DAD3

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #66d5ce;
/* rgb */ color: rgb(102, 213, 206);
/* oklch */ color: oklch(80.6% 0.102 189.8);

Tailwind

colors: {
  custom: {
    50: '#9be2dc',
    500: '#66d5ce',
    950: '#000000',
  },
}

SCSS

$custom: #66d5ce;
$custom-light: #9be2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#66d5ce",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 206
  },
  "hsl": {
    "h": 176.216,
    "s": 56.923,
    "l": 61.765
  },
  "oklch": {
    "l": 0.80626,
    "c": 0.10231,
    "h": 189.8
  },
  "luminance": 0.5487
}

Semantic roles & 50–950 ramp

primary

#66D5CE

secondary

#9C4349

accent

#212BC4

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0F1515

muted

#808484

Preview Lab

Preview with #66D5CE

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

Preview Lab → · Contrast checker → · Palette generator →