#66E7EE#66E7EE

#66E7EE is a very light, moderate teal. Relative luminance 0.661; OKLCH L 85.9% C 0.114 H 200.2°. Best body text is #000000 at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#66E7EE
RGB	rgb(102, 231, 238)
HSL	hsl(183, 80%, 67%)
HSV	hsv(183, 57%, 93%)
CMYK	cmyk(57.1%, 2.9%, 0%, 6.7%)
CIE-LAB	lab(85.07, -33.42, -14.15)
CIE-LCH	lch(85.07, 36.29, 202.95°)
OKLab	oklab(85.86% -0.1066 -0.0391)
OKLCH	oklch(85.86% 0.114 200.2)
XYZ	xyz(49.4815, 66.1447, 91.0318)
Luminance	0.6615 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E7EE #EE6D66

analogous

#66EEB1 #66E7EE #66A3EE

triadic

#66E7EE #EE66E7 #E7EE66

tetradic

#66E7EE #B166EE #EE6D66 #A3EE66

square

#66E7EE #B166EE #EE6D66 #A3EE66

split-complementary

#66E7EE #EE66A3 #EEB166

monochromatic

#16BBC4 #2FDEE8 #66E7EE #9DF0F4 #D4F8FA

Accessibility & contrast

On white

1.48

#66E7EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.23

#66E7EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E7EE

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E7EE	#FFFFFF	#000000	##000000
##66E7EE	1.00	1.48	14.23	14.23
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.23	21.00	1.00	1.00
##000000	14.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8DEEF

Deuteranopia (green-blind)

#C2CEEF

Tritanopia (blue-blind)

#00EFE9

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #66e7ee;
/* rgb */ color: rgb(102, 231, 238);
/* oklch */ color: oklch(85.9% 0.114 200.2);

Tailwind

colors: {
  custom: {
    50: '#9eeff3',
    500: '#66e7ee',
    950: '#000000',
  },
}

SCSS

$custom: #66e7ee;
$custom-light: #9eeff3;
$custom-dark: #000000;

JSON

{
  "hex": "#66e7ee",
  "rgb": {
    "r": 102,
    "g": 231,
    "b": 238
  },
  "hsl": {
    "h": 183.088,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.85863,
    "c": 0.1136,
    "h": 200.2
  },
  "luminance": 0.6615
}

Semantic roles & 50–950 ramp

primary

#66E7EE

secondary

#C23E37

accent

#1409DC

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101617

muted

#808585

Preview Lab

Preview with #66E7EE

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

Preview Lab → · Contrast checker → · Palette generator →