#66D4DC#66D4DC

#66D4DC is a light, moderate teal. Relative luminance 0.551; OKLCH L 80.9% C 0.101 H 201.8°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#66D4DC
RGB	rgb(102, 212, 220)
HSL	hsl(184, 63%, 63%)
HSV	hsv(184, 54%, 86%)
CMYK	cmyk(53.6%, 3.6%, 0%, 13.7%)
CIE-LAB	lab(79.08, -29.20, -13.56)
CIE-LCH	lch(79.08, 32.20, 204.91°)
OKLab	oklab(80.86% -0.0939 -0.0375)
OKLCH	oklch(80.86% 0.101 201.8)
XYZ	xyz(41.9359, 55.0751, 76.1168)
Luminance	0.5508 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D4DC #DC6E66

analogous

#66DCA9 #66D4DC #6699DC

triadic

#66D4DC #DC66D4 #D4DC66

tetradic

#66D4DC #A966DC #DC6E66 #99DC66

square

#66D4DC #A966DC #DC6E66 #99DC66

split-complementary

#66D4DC #DC6699 #DCA966

monochromatic

#259AA2 #34C6D1 #66D4DC #98E2E7 #CAF0F3

Accessibility & contrast

On white

1.75

#66D4DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.02

#66D4DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D4DC

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D4DC	#FFFFFF	#000000	##000000
##66D4DC	1.00	1.75	12.02	12.02
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.02	21.00	1.00	1.00
##000000	12.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CCDD

Deuteranopia (green-blind)

#B3BEDD

Tritanopia (blue-blind)

#00DBD6

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66d4dc;
/* rgb */ color: rgb(102, 212, 220);
/* oklch */ color: oklch(80.9% 0.101 201.8);

Tailwind

colors: {
  custom: {
    50: '#9be1e6',
    500: '#66d4dc',
    950: '#000000',
  },
}

SCSS

$custom: #66d4dc;
$custom-light: #9be1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#66d4dc",
  "rgb": {
    "r": 102,
    "g": 212,
    "b": 220
  },
  "hsl": {
    "h": 184.068,
    "s": 62.766,
    "l": 63.137
  },
  "oklch": {
    "l": 0.80859,
    "c": 0.1011,
    "h": 201.8
  },
  "luminance": 0.55079
}

Semantic roles & 50–950 ramp

primary

#66D4DC

secondary

#A64741

accent

#271BCB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0F1516

muted

#808484

Preview Lab

Preview with #66D4DC

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

Preview Lab → · Contrast checker → · Palette generator →