#66DDEA#66DDEA

#66DDEA is a very light, moderate teal. Relative luminance 0.605; OKLCH L 83.4% C 0.108 H 205.0°. Best body text is #000000 at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#66DDEA
RGB	rgb(102, 221, 234)
HSL	hsl(186, 76%, 66%)
HSV	hsv(186, 56%, 92%)
CMYK	cmyk(56.4%, 5.6%, 0%, 8.2%)
CIE-LAB	lab(82.09, -29.75, -16.50)
CIE-LCH	lch(82.09, 34.02, 209.02°)
OKLab	oklab(83.43% -0.0978 -0.0457)
OKLCH	oklch(83.43% 0.108 205)
XYZ	xyz(46.1811, 60.4737, 87.0648)
Luminance	0.6048 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DDEA #EA7366

analogous

#66EAB5 #66DDEA #669BEA

triadic

#66DDEA #EA66DD #DDEA66

tetradic

#66DDEA #B566EA #EA7366 #9BEA66

square

#66DDEA #B566EA #EA7366 #9BEA66

split-complementary

#66DDEA #EA669B #EAB566

monochromatic

#1AACBC #30D1E3 #66DDEA #9CE9F1 #D2F5F9

Accessibility & contrast

On white

1.60

#66DDEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.10

#66DDEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DDEA

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DDEA	#FFFFFF	#000000	##000000
##66DDEA	1.00	1.60	13.10	13.10
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.10	21.00	1.00	1.00
##000000	13.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD5EB

Deuteranopia (green-blind)

#B9C6EA

Tritanopia (blue-blind)

#00E5E1

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66ddea;
/* rgb */ color: rgb(102, 221, 234);
/* oklch */ color: oklch(83.4% 0.108 205.0);

Tailwind

colors: {
  custom: {
    50: '#9de8f0',
    500: '#66ddea',
    950: '#000000',
  },
}

SCSS

$custom: #66ddea;
$custom-light: #9de8f0;
$custom-dark: #000000;

JSON

{
  "hex": "#66ddea",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 234
  },
  "hsl": {
    "h": 185.909,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.83425,
    "c": 0.10795,
    "h": 205
  },
  "luminance": 0.60478
}

Semantic roles & 50–950 ramp

primary

#66DDEA

secondary

#BB4639

accent

#210DD8

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #66DDEA

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

Preview Lab → · Contrast checker → · Palette generator →