#66E3EB#66E3EB

#66E3EB is a very light, moderate teal. Relative luminance 0.638; OKLCH L 84.8% C 0.111 H 201.0°. Best body text is #000000 at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#66E3EB
RGB	rgb(102, 227, 235)
HSL	hsl(184, 77%, 66%)
HSV	hsv(184, 57%, 92%)
CMYK	cmyk(56.6%, 3.4%, 0%, 7.8%)
CIE-LAB	lab(83.84, -32.34, -14.41)
CIE-LCH	lch(83.84, 35.41, 204.02°)
OKLab	oklab(84.84% -0.1037 -0.0399)
OKLCH	oklch(84.84% 0.111 201)
XYZ	xyz(47.9377, 63.7563, 88.3610)
Luminance	0.6376 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E3EB #EB6E66

analogous

#66EBB0 #66E3EB #66A0EB

triadic

#66E3EB #EB66E3 #E3EB66

tetradic

#66E3EB #B066EB #EB6E66 #A0EB66

square

#66E3EB #B066EB #EB6E66 #A0EB66

split-complementary

#66E3EB #EB66A0 #EBB066

monochromatic

#19B4BE #30D9E4 #66E3EB #9CEDF2 #D2F7F9

Accessibility & contrast

On white

1.53

#66E3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.75

#66E3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E3EB

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E3EB	#FFFFFF	#000000	##000000
##66E3EB	1.00	1.53	13.75	13.75
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.75	21.00	1.00	1.00
##000000	13.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4DAEC

Deuteranopia (green-blind)

#BFCAEC

Tritanopia (blue-blind)

#00EBE5

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e3eb;
/* rgb */ color: rgb(102, 227, 235);
/* oklch */ color: oklch(84.8% 0.111 201.0);

Tailwind

colors: {
  custom: {
    50: '#9eecf1',
    500: '#66e3eb',
    950: '#000000',
  },
}

SCSS

$custom: #66e3eb;
$custom-light: #9eecf1;
$custom-dark: #000000;

JSON

{
  "hex": "#66e3eb",
  "rgb": {
    "r": 102,
    "g": 227,
    "b": 235
  },
  "hsl": {
    "h": 183.609,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.8484,
    "c": 0.1111,
    "h": 201
  },
  "luminance": 0.63761
}

Semantic roles & 50–950 ramp

primary

#66E3EB

secondary

#BD4139

accent

#190CD9

background

#FCFEFF

surface

#F6FDFE

border

#D0D5D6

text

#101616

muted

#808485

Preview Lab

Preview with #66E3EB

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

Preview Lab → · Contrast checker → · Palette generator →