#66E4E4#66E4E4

#66E4E4 is a very light, moderate teal. Relative luminance 0.639; OKLCH L 84.8% C 0.112 H 195.3°. Best body text is #000000 at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#66E4E4
RGB	rgb(102, 228, 228)
HSL	hsl(180, 70%, 65%)
HSV	hsv(180, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 0%, 10.6%)
CIE-LAB	lab(83.92, -34.68, -10.60)
CIE-LCH	lch(83.92, 36.26, 196.99°)
OKLab	oklab(84.84% -0.1076 -0.0293)
OKLCH	oklch(84.84% 0.112 195.3)
XYZ	xyz(47.2205, 63.9083, 83.2308)
Luminance	0.6391 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4E4 #E46666

analogous

#66E4A5 #66E4E4 #66A5E4

triadic

#66E4E4 #E466E4 #E4E466

tetradic

#66E4E4 #A566E4 #E46666 #A5E466

square

#66E4E4 #A566E4 #E46666 #A5E466

split-complementary

#66E4E4 #E466A5 #E4A566

monochromatic

#1FB0B0 #32DBDB #66E4E4 #9AEDED #CEF6F6

Accessibility & contrast

On white

1.52

#66E4E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.78

#66E4E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4E4

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4E4	#FFFFFF	#000000	##000000
##66E4E4	1.00	1.52	13.78	13.78
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.78	21.00	1.00	1.00
##000000	13.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7DAE4

Deuteranopia (green-blind)

#C2CBE5

Tritanopia (blue-blind)

#00EAE4

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e4e4;
/* rgb */ color: rgb(102, 228, 228);
/* oklch */ color: oklch(84.8% 0.112 195.3);

Tailwind

colors: {
  custom: {
    50: '#9dedec',
    500: '#66e4e4',
    950: '#000000',
  },
}

SCSS

$custom: #66e4e4;
$custom-light: #9dedec;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4e4",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 228
  },
  "hsl": {
    "h": 180,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84835,
    "c": 0.11154,
    "h": 195.3
  },
  "luminance": 0.63913
}

Semantic roles & 50–950 ramp

primary

#66E4E4

secondary

#B13D3D

accent

#1414D2

background

#FCFFFE

surface

#F6FEFD

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E4E4

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

Preview Lab → · Contrast checker → · Palette generator →