#66DDDE#66DDDE

#66DDDE is a very light, moderate teal. Relative luminance 0.598; OKLCH L 83.0% C 0.107 H 196.0°. Best body text is #000000 at 12.96:1 contrast (WCAG AA passes).

Color values

HEX	#66DDDE
RGB	rgb(102, 221, 222)
HSL	hsl(181, 65%, 64%)
HSV	hsv(181, 54%, 87%)
CMYK	cmyk(54.1%, 0.5%, 0%, 12.9%)
CIE-LAB	lab(81.73, -32.97, -10.67)
CIE-LCH	lch(81.73, 34.65, 197.93°)
OKLab	oklab(83.01% -0.1027 -0.0295)
OKLCH	oklch(83.01% 0.107 196)
XYZ	xyz(44.5152, 59.8073, 78.2911)
Luminance	0.5981 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DDDE #DE6766

analogous

#66DEA3 #66DDDE #66A1DE

triadic

#66DDDE #DE66DD #DDDE66

tetradic

#66DDDE #A366DE #DE6766 #A1DE66

square

#66DDDE #A366DE #DE6766 #A1DE66

split-complementary

#66DDDE #DE66A1 #DEA366

monochromatic

#24A5A6 #34D2D3 #66DDDE #98E8E9 #CBF3F4

Accessibility & contrast

On white

1.62

#66DDDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.96

#66DDDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DDDE

12.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DDDE	#FFFFFF	#000000	##000000
##66DDDE	1.00	1.62	12.96	12.96
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.96	21.00	1.00	1.00
##000000	12.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0D4DE

Deuteranopia (green-blind)

#BCC5DF

Tritanopia (blue-blind)

#00E3DD

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66ddde;
/* rgb */ color: rgb(102, 221, 222);
/* oklch */ color: oklch(83.0% 0.107 196.0);

Tailwind

colors: {
  custom: {
    50: '#9ce8e8',
    500: '#66ddde',
    950: '#000000',
  },
}

SCSS

$custom: #66ddde;
$custom-light: #9ce8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#66ddde",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 222
  },
  "hsl": {
    "h": 180.5,
    "s": 64.516,
    "l": 63.529
  },
  "oklch": {
    "l": 0.83014,
    "c": 0.10687,
    "h": 196
  },
  "luminance": 0.59812
}

Semantic roles & 50–950 ramp

primary

#66DDDE

secondary

#A94140

accent

#1B19CC

background

#FCFEFE

surface

#F6FCFC

border

#D0D5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #66DDDE

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

Preview Lab → · Contrast checker → · Palette generator →