#66E8EA#66E8EA

#66E8EA is a very light, moderate teal. Relative luminance 0.665; OKLCH L 86.0% C 0.114 H 196.6°. Best body text is #000000 at 14.30:1 contrast (WCAG AA passes).

Color values

HEX	#66E8EA
RGB	rgb(102, 232, 234)
HSL	hsl(181, 76%, 66%)
HSV	hsv(181, 56%, 92%)
CMYK	cmyk(56.4%, 0.9%, 0%, 8.2%)
CIE-LAB	lab(85.24, -34.96, -11.79)
CIE-LCH	lch(85.24, 36.89, 198.64°)
OKLab	oklab(85.96% -0.1093 -0.0327)
OKLCH	oklch(85.96% 0.114 196.6)
XYZ	xyz(49.1811, 66.4736, 88.0648)
Luminance	0.6648 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E8EA #EA6866

analogous

#66EAAA #66E8EA #66A6EA

triadic

#66E8EA #EA66E8 #E8EA66

tetradic

#66E8EA #AA66EA #EA6866 #A6EA66

square

#66E8EA #AA66EA #EA6866 #A6EA66

split-complementary

#66E8EA #EA66A6 #EAAA66

monochromatic

#1AB9BC #30E0E3 #66E8EA #9CF0F1 #D2F8F9

Accessibility & contrast

On white

1.47

#66E8EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.30

#66E8EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E8EA

14.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E8EA	#FFFFFF	#000000	##000000
##66E8EA	1.00	1.47	14.30	14.30
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.30	21.00	1.00	1.00
##000000	14.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DADEEA

Deuteranopia (green-blind)

#C5CEEB

Tritanopia (blue-blind)

#00EFE8

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #66e8ea;
/* rgb */ color: rgb(102, 232, 234);
/* oklch */ color: oklch(86.0% 0.114 196.6);

Tailwind

colors: {
  custom: {
    50: '#9eeff0',
    500: '#66e8ea',
    950: '#000000',
  },
}

SCSS

$custom: #66e8ea;
$custom-light: #9eeff0;
$custom-dark: #000000;

JSON

{
  "hex": "#66e8ea",
  "rgb": {
    "r": 102,
    "g": 232,
    "b": 234
  },
  "hsl": {
    "h": 180.909,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.85958,
    "c": 0.11408,
    "h": 196.6
  },
  "luminance": 0.66479
}

Semantic roles & 50–950 ramp

primary

#66E8EA

secondary

#BB3B39

accent

#110DD8

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101616

muted

#808585

Preview Lab

Preview with #66E8EA

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

Preview Lab → · Contrast checker → · Palette generator →