#66DBEA#66DBEA

#66DBEA is a very light, moderate teal. Relative luminance 0.594; OKLCH L 83.0% C 0.107 H 206.7°. Best body text is #000000 at 12.89:1 contrast (WCAG AA passes).

Color values

HEX	#66DBEA
RGB	rgb(102, 219, 234)
HSL	hsl(187, 76%, 66%)
HSV	hsv(187, 56%, 92%)
CMYK	cmyk(56.4%, 6.4%, 0%, 8.2%)
CIE-LAB	lab(81.52, -28.78, -17.36)
CIE-LCH	lch(81.52, 33.61, 211.11°)
OKLab	oklab(82.97% -0.0957 -0.048)
OKLCH	oklch(82.97% 0.107 206.7)
XYZ	xyz(45.6562, 59.4239, 86.8898)
Luminance	0.5943 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DBEA #EA7566

analogous

#66EAB7 #66DBEA #6699EA

triadic

#66DBEA #EA66DB #DBEA66

tetradic

#66DBEA #B766EA #EA7566 #99EA66

square

#66DBEA #B766EA #EA7566 #99EA66

split-complementary

#66DBEA #EA6699 #EAB766

monochromatic

#1AA9BC #30CEE3 #66DBEA #9CE8F1 #D2F4F9

Accessibility & contrast

On white

1.63

#66DBEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.89

#66DBEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DBEA

12.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DBEA	#FFFFFF	#000000	##000000
##66DBEA	1.00	1.63	12.89	12.89
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.89	21.00	1.00	1.00
##000000	12.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD3EB

Deuteranopia (green-blind)

#B7C4EA

Tritanopia (blue-blind)

#00E3DF

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66dbea;
/* rgb */ color: rgb(102, 219, 234);
/* oklch */ color: oklch(83.0% 0.107 206.7);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66dbea",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 234
  },
  "hsl": {
    "h": 186.818,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.82966,
    "c": 0.1071,
    "h": 206.7
  },
  "luminance": 0.59428
}

Semantic roles & 50–950 ramp

primary

#66DBEA

secondary

#BB4839

accent

#240DD8

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DBEA

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

Preview Lab → · Contrast checker → · Palette generator →