#66DFEB#66DFEB

#66DFEB is a very light, moderate teal. Relative luminance 0.616; OKLCH L 83.9% C 0.109 H 204.1°. Best body text is #000000 at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#66DFEB
RGB	rgb(102, 223, 235)
HSL	hsl(185, 77%, 66%)
HSV	hsv(185, 57%, 92%)
CMYK	cmyk(56.6%, 5.1%, 0%, 7.8%)
CIE-LAB	lab(82.70, -30.43, -16.13)
CIE-LCH	lch(82.70, 34.44, 207.92°)
OKLab	oklab(83.92% -0.0995 -0.0446)
OKLCH	oklch(83.92% 0.109 204.1)
XYZ	xyz(46.8564, 61.5937, 88.0006)
Luminance	0.6160 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DFEB #EB7266

analogous

#66EBB5 #66DFEB #669CEB

triadic

#66DFEB #EB66DF #DFEB66

tetradic

#66DFEB #B566EB #EB7266 #9CEB66

square

#66DFEB #B566EB #EB7266 #9CEB66

split-complementary

#66DFEB #EB669C #EBB566

monochromatic

#19AFBE #30D4E4 #66DFEB #9CEAF2 #D2F6F9

Accessibility & contrast

On white

1.58

#66DFEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.32

#66DFEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DFEB

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DFEB	#FFFFFF	#000000	##000000
##66DFEB	1.00	1.58	13.32	13.32
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.32	21.00	1.00	1.00
##000000	13.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFD7EC

Deuteranopia (green-blind)

#BBC7EC

Tritanopia (blue-blind)

#00E7E2

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66dfeb;
/* rgb */ color: rgb(102, 223, 235);
/* oklch */ color: oklch(83.9% 0.109 204.1);

Tailwind

colors: {
  custom: {
    50: '#9de9f1',
    500: '#66dfeb',
    950: '#000000',
  },
}

SCSS

$custom: #66dfeb;
$custom-light: #9de9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66dfeb",
  "rgb": {
    "r": 102,
    "g": 223,
    "b": 235
  },
  "hsl": {
    "h": 185.414,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.8392,
    "c": 0.10906,
    "h": 204.1
  },
  "luminance": 0.61598
}

Semantic roles & 50–950 ramp

primary

#66DFEB

secondary

#BD4539

accent

#1F0CD9

background

#FCFEFF

surface

#F6FDFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DFEB

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

Preview Lab → · Contrast checker → · Palette generator →