#66E4EA#66E4EA

#66E4EA is a very light, moderate teal. Relative luminance 0.643; OKLCH L 85.0% C 0.112 H 199.6°. Best body text is #000000 at 13.85:1 contrast (WCAG AA passes).

Color values

HEX	#66E4EA
RGB	rgb(102, 228, 234)
HSL	hsl(183, 76%, 66%)
HSV	hsv(183, 56%, 92%)
CMYK	cmyk(56.4%, 2.6%, 0%, 8.2%)
CIE-LAB	lab(84.09, -33.08, -13.50)
CIE-LCH	lch(84.09, 35.73, 202.20°)
OKLab	oklab(85.04% -0.1051 -0.0373)
OKLCH	oklch(85.04% 0.112 199.6)
XYZ	xyz(48.0679, 64.2473, 87.6937)
Luminance	0.6425 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4EA #EA6C66

analogous

#66EAAE #66E4EA #66A2EA

triadic

#66E4EA #EA66E4 #E4EA66

tetradic

#66E4EA #AE66EA #EA6C66 #A2EA66

square

#66E4EA #AE66EA #EA6C66 #A2EA66

split-complementary

#66E4EA #EA66A2 #EAAE66

monochromatic

#1AB4BC #30DBE3 #66E4EA #9CEDF1 #D2F7F9

Accessibility & contrast

On white

1.52

#66E4EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.85

#66E4EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4EA

13.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4EA	#FFFFFF	#000000	##000000
##66E4EA	1.00	1.52	13.85	13.85
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.85	21.00	1.00	1.00
##000000	13.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5DBEB

Deuteranopia (green-blind)

#C0CBEB

Tritanopia (blue-blind)

#00EBE5

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #66e4ea;
/* rgb */ color: rgb(102, 228, 234);
/* oklch */ color: oklch(85.0% 0.112 199.6);

Tailwind

colors: {
  custom: {
    50: '#9eedf0',
    500: '#66e4ea',
    950: '#000000',
  },
}

SCSS

$custom: #66e4ea;
$custom-light: #9eedf0;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4ea",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 234
  },
  "hsl": {
    "h": 182.727,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.85036,
    "c": 0.11159,
    "h": 199.6
  },
  "luminance": 0.64252
}

Semantic roles & 50–950 ramp

primary

#66E4EA

secondary

#BB3F39

accent

#170DD8

background

#FCFFFF

surface

#F6FEFE

border

#D0D6D6

text

#101616

muted

#808585

Preview Lab

Preview with #66E4EA

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

Preview Lab → · Contrast checker → · Palette generator →