#42D8DD#42D8DD

#42D8DD is a light, vivid teal. Relative luminance 0.555; OKLCH L 80.8% C 0.122 H 198.3°. Best body text is #000000 at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#42D8DD
RGB	rgb(66, 216, 221)
HSL	hsl(182, 70%, 56%)
HSV	hsv(182, 70%, 87%)
CMYK	cmyk(70.1%, 2.3%, 0%, 13.3%)
CIE-LAB	lab(79.32, -36.64, -13.84)
CIE-LCH	lch(79.32, 39.17, 200.69°)
OKLab	oklab(80.79% -0.1161 -0.0384)
OKLCH	oklch(80.79% 0.122 198.3)
XYZ	xyz(39.8479, 55.4857, 77.0023)
Luminance	0.5549 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D8DD #DD4742

analogous

#42DD94 #42D8DD #428BDD

triadic

#42D8DD #DD42D8 #D8DD42

tetradic

#42D8DD #9442DD #DD4742 #8BDD42

square

#42D8DD #9442DD #DD4742 #8BDD42

split-complementary

#42D8DD #DD428B #DD9442

monochromatic

#19888C #22BABF #42D8DD #76E3E6 #AAEDF0

Accessibility & contrast

On white

1.74

#42D8DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.10

#42D8DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8DD

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D8DD	#FFFFFF	#000000	##000000
##42D8DD	1.00	1.74	12.10	12.10
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.10	21.00	1.00	1.00
##000000	12.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9CEDE

Deuteranopia (green-blind)

#B2BDDE

Tritanopia (blue-blind)

#00DFD9

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #42d8dd;
/* rgb */ color: rgb(66, 216, 221);
/* oklch */ color: oklch(80.8% 0.122 198.3);

Tailwind

colors: {
  custom: {
    50: '#8de4e7',
    500: '#42d8dd',
    950: '#000000',
  },
}

SCSS

$custom: #42d8dd;
$custom-light: #8de4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42d8dd",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 221
  },
  "hsl": {
    "h": 181.935,
    "s": 69.507,
    "l": 56.275
  },
  "oklch": {
    "l": 0.80789,
    "c": 0.1223,
    "h": 198.3
  },
  "luminance": 0.5549
}

Semantic roles & 50–950 ramp

primary

#42D8DD

secondary

#913532

accent

#413BEC

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #42D8DD

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

Preview Lab → · Contrast checker → · Palette generator →