#66E5DC#66E5DC

#66E5DC is a very light, moderate teal. Relative luminance 0.640; OKLCH L 84.8% C 0.113 H 188.9°. Best body text is #000000 at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#66E5DC
RGB	rgb(102, 229, 220)
HSL	hsl(176, 71%, 65%)
HSV	hsv(176, 55%, 90%)
CMYK	cmyk(55.5%, 0%, 3.9%, 10.2%)
CIE-LAB	lab(83.98, -37.22, -6.28)
CIE-LCH	lch(83.98, 37.74, 189.57°)
OKLab	oklab(84.81% -0.112 -0.0176)
OKLCH	oklch(84.81% 0.113 188.9)
XYZ	xyz(46.4115, 64.0261, 77.6087)
Luminance	0.6403 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66E5DC #E5666F

analogous

#66E59D #66E5DC #66AFE5

triadic

#66E5DC #DC66E5 #E5DC66

tetradic

#66E5DC #9D66E5 #E5666F #AFE566

square

#66E5DC #9D66E5 #E5666F #AFE566

split-complementary

#66E5DC #E566AF #E59D66

monochromatic

#1EB2A8 #32DCD0 #66E5DC #9AEEE8 #CFF7F4

Accessibility & contrast

On white

1.52

#66E5DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.81

#66E5DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66E5DC

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66E5DC	#FFFFFF	#000000	##000000
##66E5DC	1.00	1.52	13.81	13.81
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.81	21.00	1.00	1.00
##000000	13.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DADADC

Deuteranopia (green-blind)

#C5CBDD

Tritanopia (blue-blind)

#00EAE2

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #66e5dc;
/* rgb */ color: rgb(102, 229, 220);
/* oklch */ color: oklch(84.8% 0.113 188.9);

Tailwind

colors: {
  custom: {
    50: '#9dede6',
    500: '#66e5dc',
    950: '#000000',
  },
}

SCSS

$custom: #66e5dc;
$custom-light: #9dede6;
$custom-dark: #000000;

JSON

{
  "hex": "#66e5dc",
  "rgb": {
    "r": 102,
    "g": 229,
    "b": 220
  },
  "hsl": {
    "h": 175.748,
    "s": 70.95,
    "l": 64.902
  },
  "oklch": {
    "l": 0.8481,
    "c": 0.11339,
    "h": 188.9
  },
  "luminance": 0.64031
}

Semantic roles & 50–950 ramp

primary

#66E5DC

secondary

#B33C45

accent

#1320D3

background

#FCFFFE

surface

#F6FEFC

border

#D0D6D5

text

#0F1616

muted

#808584

Preview Lab

Preview with #66E5DC

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

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