#42D3CC#42D3CC

#42D3CC is a light, vivid teal. Relative luminance 0.521; OKLCH L 79.0% C 0.120 H 190.3°. Best body text is #000000 at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#42D3CC
RGB	rgb(66, 211, 204)
HSL	hsl(177, 62%, 54%)
HSV	hsv(177, 69%, 83%)
CMYK	cmyk(68.7%, 0%, 3.3%, 17.3%)
CIE-LAB	lab(77.34, -39.12, -7.68)
CIE-LCH	lch(77.34, 39.87, 191.11°)
OKLab	oklab(79.02% -0.1185 -0.0215)
OKLCH	oklch(79.02% 0.12 190.3)
XYZ	xyz(36.4351, 52.1022, 65.2515)
Luminance	0.5211 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D3CC #D34249

analogous

#42D383 #42D3CC #4292D3

triadic

#42D3CC #CC42D3 #D3CC42

tetradic

#42D3CC #8342D3 #D34249 #92D342

square

#42D3CC #8342D3 #D34249 #92D342

split-complementary

#42D3CC #D34292 #D38342

monochromatic

#1D7D79 #29AFA9 #42D3CC #74DFD9 #A5EAE7

Accessibility & contrast

On white

1.84

#42D3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.42

#42D3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D3CC

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D3CC	#FFFFFF	#000000	##000000
##42D3CC	1.00	1.84	11.42	11.42
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.42	21.00	1.00	1.00
##000000	11.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C8CC

Deuteranopia (green-blind)

#B2B8CD

Tritanopia (blue-blind)

#00D9D0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d3cc;
/* rgb */ color: rgb(66, 211, 204);
/* oklch */ color: oklch(79.0% 0.120 190.3);

Tailwind

colors: {
  custom: {
    50: '#8ae1db',
    500: '#42d3cc',
    950: '#000000',
  },
}

SCSS

$custom: #42d3cc;
$custom-light: #8ae1db;
$custom-dark: #000000;

JSON

{
  "hex": "#42d3cc",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 204
  },
  "hsl": {
    "h": 177.103,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.79017,
    "c": 0.1204,
    "h": 190.3
  },
  "luminance": 0.52106
}

Semantic roles & 50–950 ramp

primary

#42D3CC

secondary

#853438

accent

#424AE5

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #42D3CC

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

Preview Lab → · Contrast checker → · Palette generator →