#66E4E0#66E4E0

#66E4E0 is a very light, moderate teal. Relative luminance 0.637; OKLCH L 84.7% C 0.112 H 192.4°. Best body text is #000000 at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#66E4E0
RGB	rgb(102, 228, 224)
HSL	hsl(178, 70%, 65%)
HSV	hsv(178, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 1.8%, 10.6%)
CIE-LAB	lab(83.80, -35.72, -8.65)
CIE-LCH	lch(83.80, 36.76, 193.61°)
OKLab	oklab(84.71% -0.1093 -0.024)
OKLCH	oklch(84.71% 0.112 192.4)
XYZ	xyz(46.6717, 63.6888, 80.3401)
Luminance	0.6369 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4E0 #E4666A

analogous

#66E4A1 #66E4E0 #66A9E4

triadic

#66E4E0 #E066E4 #E4E066

tetradic

#66E4E0 #A166E4 #E4666A #A9E466

square

#66E4E0 #A166E4 #E4666A #A9E466

split-complementary

#66E4E0 #E466A9 #E4A166

monochromatic

#1FB0AC #32DBD5 #66E4E0 #9AEDEB #CEF6F5

Accessibility & contrast

On white

1.53

#66E4E0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.74

#66E4E0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4E0

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4E0	#FFFFFF	#000000	##000000
##66E4E0	1.00	1.53	13.74	13.74
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.74	21.00	1.00	1.00
##000000	13.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8DAE0

Deuteranopia (green-blind)

#C3CBE1

Tritanopia (blue-blind)

#00EAE2

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e4e0;
/* rgb */ color: rgb(102, 228, 224);
/* oklch */ color: oklch(84.7% 0.112 192.4);

Tailwind

colors: {
  custom: {
    50: '#9dede9',
    500: '#66e4e0',
    950: '#000000',
  },
}

SCSS

$custom: #66e4e0;
$custom-light: #9dede9;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4e0",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 224
  },
  "hsl": {
    "h": 178.095,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84705,
    "c": 0.11189,
    "h": 192.4
  },
  "luminance": 0.63693
}

Semantic roles & 50–950 ramp

primary

#66E4E0

secondary

#B13D40

accent

#141AD2

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E4E0

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

Preview Lab → · Contrast checker → · Palette generator →