#42D3CB#42D3CB

#42D3CB is a light, vivid teal. Relative luminance 0.521; OKLCH L 79.0% C 0.121 H 189.6°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#42D3CB
RGB	rgb(66, 211, 203)
HSL	hsl(177, 62%, 54%)
HSV	hsv(177, 69%, 83%)
CMYK	cmyk(68.7%, 0%, 3.8%, 17.3%)
CIE-LAB	lab(77.31, -39.40, -7.19)
CIE-LCH	lch(77.31, 40.05, 190.34°)
OKLab	oklab(78.98% -0.1189 -0.0201)
OKLCH	oklch(78.98% 0.121 189.6)
XYZ	xyz(36.3155, 52.0544, 64.6219)
Luminance	0.5206 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D3CB #D3424A

analogous

#42D383 #42D3CB #4292D3

triadic

#42D3CB #CB42D3 #D3CB42

tetradic

#42D3CB #8342D3 #D3424A #92D342

square

#42D3CB #8342D3 #D3424A #92D342

split-complementary

#42D3CB #D34292 #D38342

monochromatic

#1D7D78 #29AFA8 #42D3CB #74DFD9 #A5EAE6

Accessibility & contrast

On white

1.84

#42D3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#42D3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D3CB

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D3CB	#FFFFFF	#000000	##000000
##42D3CB	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C8CB

Deuteranopia (green-blind)

#B2B8CC

Tritanopia (blue-blind)

#00D8D0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d3cb;
/* rgb */ color: rgb(66, 211, 203);
/* oklch */ color: oklch(79.0% 0.121 189.6);

Tailwind

colors: {
  custom: {
    50: '#8ae1da',
    500: '#42d3cb',
    950: '#000000',
  },
}

SCSS

$custom: #42d3cb;
$custom-light: #8ae1da;
$custom-dark: #000000;

JSON

{
  "hex": "#42d3cb",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 203
  },
  "hsl": {
    "h": 176.69,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.78984,
    "c": 0.12059,
    "h": 189.6
  },
  "luminance": 0.52059
}

Semantic roles & 50–950 ramp

primary

#42D3CB

secondary

#853439

accent

#424BE5

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1514

muted

#7F8483

Preview Lab

Preview with #42D3CB

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

Preview Lab → · Contrast checker → · Palette generator →