#66DBE9#66DBE9

#66DBE9 is a very light, moderate teal. Relative luminance 0.594; OKLCH L 82.9% C 0.107 H 205.9°. Best body text is #000000 at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#66DBE9
RGB	rgb(102, 219, 233)
HSL	hsl(186, 75%, 66%)
HSV	hsv(186, 56%, 91%)
CMYK	cmyk(56.2%, 6%, 0%, 8.6%)
CIE-LAB	lab(81.49, -29.05, -16.88)
CIE-LCH	lch(81.49, 33.60, 210.16°)
OKLab	oklab(82.93% -0.0961 -0.0467)
OKLCH	oklch(82.93% 0.107 205.9)
XYZ	xyz(45.5130, 59.3666, 86.1354)
Luminance	0.5937 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DBE9 #E97466

analogous

#66E9B5 #66DBE9 #6699E9

triadic

#66DBE9 #E966DB #DBE966

tetradic

#66DBE9 #B566E9 #E97466 #99E966

square

#66DBE9 #B566E9 #E97466 #99E966

split-complementary

#66DBE9 #E96699 #E9B566

monochromatic

#1BA9BA #30CEE1 #66DBE9 #9CE8F1 #D1F4F8

Accessibility & contrast

On white

1.63

#66DBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.87

#66DBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DBE9

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DBE9	#FFFFFF	#000000	##000000
##66DBE9	1.00	1.63	12.87	12.87
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.87	21.00	1.00	1.00
##000000	12.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD3EA

Deuteranopia (green-blind)

#B7C4E9

Tritanopia (blue-blind)

#00E3DF

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #66dbe9;
/* rgb */ color: rgb(102, 219, 233);
/* oklch */ color: oklch(82.9% 0.107 205.9);

Tailwind

colors: {
  custom: {
    50: '#9de6f0',
    500: '#66dbe9',
    950: '#000000',
  },
}

SCSS

$custom: #66dbe9;
$custom-light: #9de6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66dbe9",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 233
  },
  "hsl": {
    "h": 186.412,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.8293,
    "c": 0.10686,
    "h": 205.9
  },
  "luminance": 0.59371
}

Semantic roles & 50–950 ramp

primary

#66DBE9

secondary

#B9483A

accent

#240ED7

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DBE9

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

Preview Lab → · Contrast checker → · Palette generator →