#42D5BB#42D5BB

#42D5BB is a light, vivid teal. Relative luminance 0.523; OKLCH L 79.0% C 0.128 H 178.4°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#42D5BB
RGB	rgb(66, 213, 187)
HSL	hsl(169, 64%, 55%)
HSV	hsv(169, 69%, 84%)
CMYK	cmyk(69%, 0%, 12.2%, 16.5%)
CIE-LAB	lab(77.48, -44.52, 1.64)
CIE-LCH	lch(77.48, 44.55, 177.89°)
OKLab	oklab(78.97% -0.128 0.0036)
OKLCH	oklch(78.97% 0.128 178.4)
XYZ	xyz(35.0063, 52.3306, 55.2600)
Luminance	0.5233 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D5BB #D5425C

analogous

#42D572 #42D5BB #42A5D5

triadic

#42D5BB #BB42D5 #D5BB42

tetradic

#42D5BB #7242D5 #D5425C #A5D542

square

#42D5BB #7242D5 #D5425C #A5D542

split-complementary

#42D5BB #D542A5 #D57242

monochromatic

#1C806F #28B29A #42D5BB #74E0CD #A6EBDF

Accessibility & contrast

On white

1.83

#42D5BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#42D5BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5BB

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D5BB	#FFFFFF	#000000	##000000
##42D5BB	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCC8BA

Deuteranopia (green-blind)

#B8B9BD

Tritanopia (blue-blind)

#00D8CD

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #42d5bb;
/* rgb */ color: rgb(66, 213, 187);
/* oklch */ color: oklch(79.0% 0.128 178.4);

Tailwind

colors: {
  custom: {
    50: '#8ae2cf',
    500: '#42d5bb',
    950: '#000000',
  },
}

SCSS

$custom: #42d5bb;
$custom-light: #8ae2cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42d5bb",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 187
  },
  "hsl": {
    "h": 169.388,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.78975,
    "c": 0.12807,
    "h": 178.4
  },
  "luminance": 0.52335
}

Semantic roles & 50–950 ramp

primary

#42D5BB

secondary

#873443

accent

#415EE7

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #42D5BB

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

Preview Lab → · Contrast checker → · Palette generator →