#42D3BB#42D3BB

#42D3BB is a light, vivid teal. Relative luminance 0.513; OKLCH L 78.5% C 0.126 H 179.4°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#42D3BB
RGB	rgb(66, 211, 187)
HSL	hsl(170, 62%, 54%)
HSV	hsv(170, 69%, 83%)
CMYK	cmyk(68.7%, 0%, 11.4%, 17.3%)
CIE-LAB	lab(76.88, -43.65, 0.76)
CIE-LCH	lch(76.88, 43.66, 179.00°)
OKLab	oklab(78.49% -0.126 0.0013)
OKLCH	oklch(78.49% 0.126 179.4)
XYZ	xyz(34.5063, 51.3307, 55.0933)
Luminance	0.5133 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D3BB #D3425A

analogous

#42D373 #42D3BB #42A3D3

triadic

#42D3BB #BB42D3 #D3BB42

tetradic

#42D3BB #7342D3 #D3425A #A3D342

square

#42D3BB #7342D3 #D3425A #A3D342

split-complementary

#42D3BB #D342A3 #D37342

monochromatic

#1D7D6D #29AF99 #42D3BB #74DFCD #A5EADF

Accessibility & contrast

On white

1.86

#42D3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.27

#42D3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D3BB

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D3BB	#FFFFFF	#000000	##000000
##42D3BB	1.00	1.86	11.27	11.27
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.27	21.00	1.00	1.00
##000000	11.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAC6BA

Deuteranopia (green-blind)

#B6B8BD

Tritanopia (blue-blind)

#00D6CC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #42d3bb;
/* rgb */ color: rgb(66, 211, 187);
/* oklch */ color: oklch(78.5% 0.126 179.4);

Tailwind

colors: {
  custom: {
    50: '#89e1cf',
    500: '#42d3bb',
    950: '#000000',
  },
}

SCSS

$custom: #42d3bb;
$custom-light: #89e1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42d3bb",
  "rgb": {
    "r": 66,
    "g": 211,
    "b": 187
  },
  "hsl": {
    "h": 170.069,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.78486,
    "c": 0.12603,
    "h": 179.4
  },
  "luminance": 0.51335
}

Semantic roles & 50–950 ramp

primary

#42D3BB

secondary

#853442

accent

#425DE5

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #42D3BB

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

Preview Lab → · Contrast checker → · Palette generator →