#66E9CC#66E9CC

#66E9CC is a very light, vivid teal. Relative luminance 0.655; OKLCH L 85.3% C 0.123 H 176.3°. Best body text is #000000 at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#66E9CC
RGB	rgb(102, 233, 204)
HSL	hsl(167, 75%, 66%)
HSV	hsv(167, 56%, 91%)
CMYK	cmyk(56.2%, 0%, 12.4%, 8.6%)
CIE-LAB	lab(84.72, -42.96, 3.24)
CIE-LCH	lch(84.72, 43.08, 175.68°)
OKLab	oklab(85.27% -0.1231 0.0079)
OKLCH	oklch(85.27% 0.123 176.3)
XYZ	xyz(45.5125, 65.4578, 67.3512)
Luminance	0.6546 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E9CC #E96683

analogous

#66E98B #66E9CC #66C4E9

triadic

#66E9CC #CC66E9 #E9CC66

tetradic

#66E9CC #8B66E9 #E96683 #C4E966

square

#66E9CC #8B66E9 #E96683 #C4E966

split-complementary

#66E9CC #E966C4 #E98B66

monochromatic

#1BBA97 #30E1BA #66E9CC #9CF1DE #D1F8F0

Accessibility & contrast

On white

1.49

#66E9CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.09

#66E9CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E9CC

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E9CC	#FFFFFF	#000000	##000000
##66E9CC	1.00	1.49	14.09	14.09
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.09	21.00	1.00	1.00
##000000	14.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1DCCB

Deuteranopia (green-blind)

#CDCDCE

Tritanopia (blue-blind)

#00ECE0

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #66e9cc;
/* rgb */ color: rgb(102, 233, 204);
/* oklch */ color: oklch(85.3% 0.123 176.3);

Tailwind

colors: {
  custom: {
    50: '#9df0db',
    500: '#66e9cc',
    950: '#000000',
  },
}

SCSS

$custom: #66e9cc;
$custom-light: #9df0db;
$custom-dark: #000000;

JSON

{
  "hex": "#66e9cc",
  "rgb": {
    "r": 102,
    "g": 233,
    "b": 204
  },
  "hsl": {
    "h": 166.718,
    "s": 74.857,
    "l": 65.686
  },
  "oklch": {
    "l": 0.85271,
    "c": 0.1234,
    "h": 176.3
  },
  "luminance": 0.65462
}

Semantic roles & 50–950 ramp

primary

#66E9CC

secondary

#B93A56

accent

#0E3BD7

background

#FCFFFE

surface

#F6FEFB

border

#D0D6D4

text

#0F1715

muted

#808584

Preview Lab

Preview with #66E9CC

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

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