#66E4DC#66E4DC

#66E4DC is a very light, moderate teal. Relative luminance 0.635; OKLCH L 84.6% C 0.113 H 189.6°. Best body text is #000000 at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#66E4DC
RGB	rgb(102, 228, 220)
HSL	hsl(176, 70%, 65%)
HSV	hsv(176, 55%, 89%)
CMYK	cmyk(55.3%, 0%, 3.5%, 10.6%)
CIE-LAB	lab(83.69, -36.76, -6.70)
CIE-LCH	lch(83.69, 37.36, 190.33°)
OKLab	oklab(84.58% -0.111 -0.0187)
OKLCH	oklch(84.58% 0.113 189.6)
XYZ	xyz(46.1356, 63.4744, 77.5167)
Luminance	0.6348 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E4DC #E4666E

analogous

#66E49D #66E4DC #66ADE4

triadic

#66E4DC #DC66E4 #E4DC66

tetradic

#66E4DC #9D66E4 #E4666E #ADE466

square

#66E4DC #9D66E4 #E4666E #ADE466

split-complementary

#66E4DC #E466AD #E49D66

monochromatic

#1FB0A7 #32DBD0 #66E4DC #9AEDE8 #CEF6F4

Accessibility & contrast

On white

1.53

#66E4DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.70

#66E4DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E4DC

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E4DC	#FFFFFF	#000000	##000000
##66E4DC	1.00	1.53	13.70	13.70
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.70	21.00	1.00	1.00
##000000	13.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8D9DC

Deuteranopia (green-blind)

#C4CADD

Tritanopia (blue-blind)

#00E9E1

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e4dc;
/* rgb */ color: rgb(102, 228, 220);
/* oklch */ color: oklch(84.6% 0.113 189.6);

Tailwind

colors: {
  custom: {
    50: '#9dede6',
    500: '#66e4dc',
    950: '#000000',
  },
}

SCSS

$custom: #66e4dc;
$custom-light: #9dede6;
$custom-dark: #000000;

JSON

{
  "hex": "#66e4dc",
  "rgb": {
    "r": 102,
    "g": 228,
    "b": 220
  },
  "hsl": {
    "h": 176.19,
    "s": 70,
    "l": 64.706
  },
  "oklch": {
    "l": 0.84577,
    "c": 0.11253,
    "h": 189.6
  },
  "luminance": 0.63479
}

Semantic roles & 50–950 ramp

primary

#66E4DC

secondary

#B13D44

accent

#1420D2

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E4DC

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

Preview Lab → · Contrast checker → · Palette generator →