#42D1CC#42D1CC

#42D1CC is a light, moderate teal. Relative luminance 0.511; OKLCH L 78.5% C 0.119 H 191.6°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#42D1CC
RGB	rgb(66, 209, 204)
HSL	hsl(178, 61%, 54%)
HSV	hsv(178, 68%, 82%)
CMYK	cmyk(68.4%, 0%, 2.4%, 18%)
CIE-LAB	lab(76.75, -38.21, -8.57)
CIE-LCH	lch(76.75, 39.16, 192.64°)
OKLab	oklab(78.54% -0.1165 -0.0239)
OKLCH	oklch(78.54% 0.119 191.6)
XYZ	xyz(35.9413, 51.1147, 65.0869)
Luminance	0.5112 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D1CC #D14247

analogous

#42D185 #42D1CC #428FD1

triadic

#42D1CC #CC42D1 #D1CC42

tetradic

#42D1CC #8542D1 #D14247 #8FD142

square

#42D1CC #8542D1 #D14247 #8FD142

split-complementary

#42D1CC #D1428F #D18542

monochromatic

#1E7B77 #2AACA7 #42D1CC #73DDD9 #A4E9E7

Accessibility & contrast

On white

1.87

#42D1CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#42D1CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D1CC

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D1CC	#FFFFFF	#000000	##000000
##42D1CC	1.00	1.87	11.22	11.22
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.22	21.00	1.00	1.00
##000000	11.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C6CC

Deuteranopia (green-blind)

#AFB7CD

Tritanopia (blue-blind)

#00D7CF

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #42d1cc;
/* rgb */ color: rgb(66, 209, 204);
/* oklch */ color: oklch(78.5% 0.119 191.6);

Tailwind

colors: {
  custom: {
    50: '#8adfdb',
    500: '#42d1cc',
    950: '#000000',
  },
}

SCSS

$custom: #42d1cc;
$custom-light: #8adfdb;
$custom-dark: #000000;

JSON

{
  "hex": "#42d1cc",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 204
  },
  "hsl": {
    "h": 177.902,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78535,
    "c": 0.11891,
    "h": 191.6
  },
  "luminance": 0.51119
}

Semantic roles & 50–950 ramp

primary

#42D1CC

secondary

#833537

accent

#4449E4

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1515

muted

#7F8484

Preview Lab

Preview with #42D1CC

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

Preview Lab → · Contrast checker → · Palette generator →