#66D7EA#66D7EA

#66D7EA is a very light, moderate teal. Relative luminance 0.574; OKLCH L 82.0% C 0.106 H 210.0°. Best body text is #000000 at 12.47:1 contrast (WCAG AA passes).

Color values

HEX	#66D7EA
RGB	rgb(102, 215, 234)
HSL	hsl(189, 76%, 66%)
HSV	hsv(189, 56%, 92%)
CMYK	cmyk(56.4%, 8.1%, 0%, 8.2%)
CIE-LAB	lab(80.38, -26.83, -19.09)
CIE-LCH	lch(80.38, 32.93, 215.43°)
OKLab	oklab(82.05% -0.0915 -0.0528)
OKLCH	oklch(82.05% 0.106 210)
XYZ	xyz(44.6252, 57.3618, 86.5462)
Luminance	0.5737 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D7EA #EA7966

analogous

#66EABB #66D7EA #6695EA

triadic

#66D7EA #EA66D7 #D7EA66

tetradic

#66D7EA #BB66EA #EA7966 #95EA66

square

#66D7EA #BB66EA #EA7966 #95EA66

split-complementary

#66D7EA #EA6695 #EABB66

monochromatic

#1AA4BC #30C9E3 #66D7EA #9CE5F1 #D2F3F9

Accessibility & contrast

On white

1.68

#66D7EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.47

#66D7EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D7EA

12.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D7EA	#FFFFFF	#000000	##000000
##66D7EA	1.00	1.68	12.47	12.47
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.47	21.00	1.00	1.00
##000000	12.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D0EB

Deuteranopia (green-blind)

#B2C1EA

Tritanopia (blue-blind)

#00E0DD

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #66d7ea;
/* rgb */ color: rgb(102, 215, 234);
/* oklch */ color: oklch(82.0% 0.106 210.0);

Tailwind

colors: {
  custom: {
    50: '#9de3f0',
    500: '#66d7ea',
    950: '#000000',
  },
}

SCSS

$custom: #66d7ea;
$custom-light: #9de3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66d7ea",
  "rgb": {
    "r": 102,
    "g": 215,
    "b": 234
  },
  "hsl": {
    "h": 188.636,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.82048,
    "c": 0.10566,
    "h": 210
  },
  "luminance": 0.57366
}

Semantic roles & 50–950 ramp

primary

#66D7EA

secondary

#BB4C39

accent

#2B0DD8

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #66D7EA

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

Preview Lab → · Contrast checker → · Palette generator →