#66D5DD#66D5DD

#66D5DD is a light, moderate teal. Relative luminance 0.556; OKLCH L 81.1% C 0.102 H 201.7°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#66D5DD
RGB	rgb(102, 213, 221)
HSL	hsl(184, 64%, 63%)
HSV	hsv(184, 54%, 87%)
CMYK	cmyk(53.8%, 3.6%, 0%, 13.3%)
CIE-LAB	lab(79.40, -29.42, -13.62)
CIE-LCH	lch(79.40, 32.42, 204.85°)
OKLab	oklab(81.13% -0.0946 -0.0376)
OKLCH	oklch(81.13% 0.102 201.7)
XYZ	xyz(42.3195, 55.6297, 76.9000)
Luminance	0.5563 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D5DD #DD6E66

analogous

#66DDA9 #66D5DD #6699DD

triadic

#66D5DD #DD66D5 #D5DD66

tetradic

#66D5DD #A966DD #DD6E66 #99DD66

square

#66D5DD #A966DD #DD6E66 #99DD66

split-complementary

#66D5DD #DD6699 #DDA966

monochromatic

#249CA4 #34C7D2 #66D5DD #98E3E8 #CAF0F3

Accessibility & contrast

On white

1.73

#66D5DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#66D5DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D5DD

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D5DD	#FFFFFF	#000000	##000000
##66D5DD	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7CDDE

Deuteranopia (green-blind)

#B4BFDE

Tritanopia (blue-blind)

#00DCD7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66d5dd;
/* rgb */ color: rgb(102, 213, 221);
/* oklch */ color: oklch(81.1% 0.102 201.7);

Tailwind

colors: {
  custom: {
    50: '#9ce2e7',
    500: '#66d5dd',
    950: '#000000',
  },
}

SCSS

$custom: #66d5dd;
$custom-light: #9ce2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#66d5dd",
  "rgb": {
    "r": 102,
    "g": 213,
    "b": 221
  },
  "hsl": {
    "h": 184.034,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.81125,
    "c": 0.10179,
    "h": 201.7
  },
  "luminance": 0.55634
}

Semantic roles & 50–950 ramp

primary

#66D5DD

secondary

#A74740

accent

#261ACB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0F1516

muted

#808484

Preview Lab

Preview with #66D5DD

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

Preview Lab → · Contrast checker → · Palette generator →