#66E2DD#66E2DD

#66E2DD is a very light, moderate teal. Relative luminance 0.624; OKLCH L 84.1% C 0.111 H 191.7°. Best body text is #000000 at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#66E2DD
RGB	rgb(102, 226, 221)
HSL	hsl(178, 68%, 64%)
HSV	hsv(178, 55%, 89%)
CMYK	cmyk(54.9%, 0%, 2.2%, 11.4%)
CIE-LAB	lab(83.14, -35.57, -8.04)
CIE-LCH	lch(83.14, 36.47, 192.74°)
OKLab	oklab(84.14% -0.1084 -0.0224)
OKLCH	oklch(84.14% 0.111 191.7)
XYZ	xyz(45.7214, 62.4335, 78.0340)
Luminance	0.6244 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E2DD #E2666B

analogous

#66E29F #66E2DD #66A9E2

triadic

#66E2DD #DD66E2 #E2DD66

tetradic

#66E2DD #9F66E2 #E2666B #A9E266

square

#66E2DD #9F66E2 #E2666B #A9E266

split-complementary

#66E2DD #E266A9 #E29F66

monochromatic

#21ADA7 #33D8D2 #66E2DD #99ECE8 #CDF6F4

Accessibility & contrast

On white

1.56

#66E2DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.49

#66E2DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E2DD

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E2DD	#FFFFFF	#000000	##000000
##66E2DD	1.00	1.56	13.49	13.49
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.49	21.00	1.00	1.00
##000000	13.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6D8DD

Deuteranopia (green-blind)

#C2C9DE

Tritanopia (blue-blind)

#00E8E0

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #66e2dd;
/* rgb */ color: rgb(102, 226, 221);
/* oklch */ color: oklch(84.1% 0.111 191.7);

Tailwind

colors: {
  custom: {
    50: '#9debe7',
    500: '#66e2dd',
    950: '#000000',
  },
}

SCSS

$custom: #66e2dd;
$custom-light: #9debe7;
$custom-dark: #000000;

JSON

{
  "hex": "#66e2dd",
  "rgb": {
    "r": 102,
    "g": 226,
    "b": 221
  },
  "hsl": {
    "h": 177.581,
    "s": 68.132,
    "l": 64.314
  },
  "oklch": {
    "l": 0.84143,
    "c": 0.11071,
    "h": 191.7
  },
  "luminance": 0.62438
}

Semantic roles & 50–950 ramp

primary

#66E2DD

secondary

#AE3E42

accent

#151DD0

background

#FCFEFE

surface

#F6FDFC

border

#D0D5D5

text

#0F1616

muted

#808484

Preview Lab

Preview with #66E2DD

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

Preview Lab → · Contrast checker → · Palette generator →