#66DADD#66DADD

#66DADD is a very light, moderate teal. Relative luminance 0.582; OKLCH L 82.3% C 0.105 H 197.6°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#66DADD
RGB	rgb(102, 218, 221)
HSL	hsl(182, 64%, 63%)
HSV	hsv(182, 54%, 87%)
CMYK	cmyk(53.8%, 1.4%, 0%, 13.3%)
CIE-LAB	lab(80.84, -31.81, -11.47)
CIE-LCH	lch(80.84, 33.82, 199.83°)
OKLab	oklab(82.28% -0.0999 -0.0317)
OKLCH	oklch(82.28% 0.105 197.6)
XYZ	xyz(43.5966, 58.1839, 77.3257)
Luminance	0.5819 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DADD #DD6966

analogous

#66DDA4 #66DADD #669EDD

triadic

#66DADD #DD66DA #DADD66

tetradic

#66DADD #A466DD #DD6966 #9EDD66

square

#66DADD #A466DD #DD6966 #9EDD66

split-complementary

#66DADD #DD669E #DDA466

monochromatic

#24A1A4 #34CED2 #66DADD #98E6E8 #CAF2F3

Accessibility & contrast

On white

1.66

#66DADD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#66DADD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DADD

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DADD	#FFFFFF	#000000	##000000
##66DADD	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD1DD

Deuteranopia (green-blind)

#B9C3DE

Tritanopia (blue-blind)

#00E0DB

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #66dadd;
/* rgb */ color: rgb(102, 218, 221);
/* oklch */ color: oklch(82.3% 0.105 197.6);

Tailwind

colors: {
  custom: {
    50: '#9ce6e7',
    500: '#66dadd',
    950: '#000000',
  },
}

SCSS

$custom: #66dadd;
$custom-light: #9ce6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#66dadd",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 221
  },
  "hsl": {
    "h": 181.513,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.82284,
    "c": 0.10484,
    "h": 197.6
  },
  "luminance": 0.58188
}

Semantic roles & 50–950 ramp

primary

#66DADD

secondary

#A74340

accent

#1F1ACB

background

#FCFEFE

surface

#F6FCFC

border

#D0D5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #66DADD

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

Preview Lab → · Contrast checker → · Palette generator →