#66D6EC#66D6EC

#66D6EC is a light, moderate teal. Relative luminance 0.570; OKLCH L 81.9% C 0.106 H 212.3°. Best body text is #000000 at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#66D6EC
RGB	rgb(102, 214, 236)
HSL	hsl(190, 78%, 66%)
HSV	hsv(190, 57%, 93%)
CMYK	cmyk(56.8%, 9.3%, 0%, 7.5%)
CIE-LAB	lab(80.16, -25.78, -20.49)
CIE-LCH	lch(80.16, 32.93, 218.47°)
OKLab	oklab(81.89% -0.0897 -0.0567)
OKLCH	oklch(81.89% 0.106 212.3)
XYZ	xyz(44.6603, 56.9697, 87.9833)
Luminance	0.5697 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D6EC #EC7C66

analogous

#66ECBF #66D6EC #6693EC

triadic

#66D6EC #EC66D6 #D6EC66

tetradic

#66D6EC #BF66EC #EC7C66 #93EC66

square

#66D6EC #BF66EC #EC7C66 #93EC66

split-complementary

#66D6EC #EC6693 #ECBF66

monochromatic

#18A4C0 #30C7E5 #66D6EC #9CE5F3 #D3F3FA

Accessibility & contrast

On white

1.69

#66D6EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.39

#66D6EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D6EC

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D6EC	#FFFFFF	#000000	##000000
##66D6EC	1.00	1.69	12.39	12.39
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.39	21.00	1.00	1.00
##000000	12.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CFED

Deuteranopia (green-blind)

#B0C0EC

Tritanopia (blue-blind)

#00DFDD

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #66d6ec;
/* rgb */ color: rgb(102, 214, 236);
/* oklch */ color: oklch(81.9% 0.106 212.3);

Tailwind

colors: {
  custom: {
    50: '#9de3f2',
    500: '#66d6ec',
    950: '#000000',
  },
}

SCSS

$custom: #66d6ec;
$custom-light: #9de3f2;
$custom-dark: #000000;

JSON

{
  "hex": "#66d6ec",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 236
  },
  "hsl": {
    "h": 189.851,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.81893,
    "c": 0.10611,
    "h": 212.3
  },
  "luminance": 0.56974
}

Semantic roles & 50–950 ramp

primary

#66D6EC

secondary

#BE4E38

accent

#2D0BDA

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1516

muted

#808485

Preview Lab

Preview with #66D6EC

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

Preview Lab → · Contrast checker → · Palette generator →