#66DDDB#66DDDB

#66DDDB is a very light, moderate teal. Relative luminance 0.597; OKLCH L 82.9% C 0.107 H 193.8°. Best body text is #000000 at 12.93:1 contrast (WCAG AA passes).

Color values

HEX	#66DDDB
RGB	rgb(102, 221, 219)
HSL	hsl(179, 64%, 63%)
HSV	hsv(179, 54%, 87%)
CMYK	cmyk(53.8%, 0%, 0.9%, 13.3%)
CIE-LAB	lab(81.65, -33.76, -9.20)
CIE-LCH	lch(81.65, 34.99, 195.25°)
OKLab	oklab(82.92% -0.104 -0.0255)
OKLCH	oklch(82.92% 0.107 193.8)
XYZ	xyz(44.1167, 59.6479, 76.1924)
Luminance	0.5965 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DDDB #DD6668

analogous

#66DD9F #66DDDB #66A3DD

triadic

#66DDDB #DB66DD #DDDB66

tetradic

#66DDDB #9F66DD #DD6668 #A3DD66

square

#66DDDB #9F66DD #DD6668 #A3DD66

split-complementary

#66DDDB #DD66A3 #DD9F66

monochromatic

#24A4A2 #34D2CF #66DDDB #98E8E7 #CAF3F3

Accessibility & contrast

On white

1.62

#66DDDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.93

#66DDDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DDDB

12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DDDB	#FFFFFF	#000000	##000000
##66DDDB	1.00	1.62	12.93	12.93
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.93	21.00	1.00	1.00
##000000	12.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1D3DB

Deuteranopia (green-blind)

#BDC5DC

Tritanopia (blue-blind)

#00E3DC

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #66dddb;
/* rgb */ color: rgb(102, 221, 219);
/* oklch */ color: oklch(82.9% 0.107 193.8);

Tailwind

colors: {
  custom: {
    50: '#9ce8e6',
    500: '#66dddb',
    950: '#000000',
  },
}

SCSS

$custom: #66dddb;
$custom-light: #9ce8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#66dddb",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 219
  },
  "hsl": {
    "h": 178.992,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.82915,
    "c": 0.10705,
    "h": 193.8
  },
  "luminance": 0.59652
}

Semantic roles & 50–950 ramp

primary

#66DDDB

secondary

#A74042

accent

#1A1DCB

background

#FCFEFE

surface

#F6FCFC

border

#D0D5D5

text

#0F1615

muted

#808484

Preview Lab

Preview with #66DDDB

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

Preview Lab → · Contrast checker → · Palette generator →