#42D1BB#42D1BB

#42D1BB is a light, vivid teal. Relative luminance 0.503; OKLCH L 78.0% C 0.124 H 180.5°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#42D1BB
RGB	rgb(66, 209, 187)
HSL	hsl(171, 61%, 54%)
HSV	hsv(171, 68%, 82%)
CMYK	cmyk(68.4%, 0%, 10.5%, 18%)
CIE-LAB	lab(76.28, -42.78, -0.11)
CIE-LCH	lch(76.28, 42.78, 180.15°)
OKLab	oklab(78% -0.124 -0.001)
OKLCH	oklch(78% 0.124 180.5)
XYZ	xyz(34.0125, 50.3431, 54.9287)
Luminance	0.5035 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D1BB #D14258

analogous

#42D174 #42D1BB #42A0D1

triadic

#42D1BB #BB42D1 #D1BB42

tetradic

#42D1BB #7442D1 #D14258 #A0D142

square

#42D1BB #7442D1 #D14258 #A0D142

split-complementary

#42D1BB #D142A0 #D17442

monochromatic

#1E7B6C #2AAC98 #42D1BB #73DDCD #A4E9DE

Accessibility & contrast

On white

1.90

#42D1BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#42D1BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D1BB

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D1BB	#FFFFFF	#000000	##000000
##42D1BB	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C5BA

Deuteranopia (green-blind)

#B4B6BD

Tritanopia (blue-blind)

#00D5CA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #42d1bb;
/* rgb */ color: rgb(66, 209, 187);
/* oklch */ color: oklch(78.0% 0.124 180.5);

Tailwind

colors: {
  custom: {
    50: '#89e0cf',
    500: '#42d1bb',
    950: '#000000',
  },
}

SCSS

$custom: #42d1bb;
$custom-light: #89e0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42d1bb",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 187
  },
  "hsl": {
    "h": 170.769,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.77998,
    "c": 0.12402,
    "h": 180.5
  },
  "luminance": 0.50347
}

Semantic roles & 50–950 ramp

primary

#42D1BB

secondary

#833541

accent

#445CE4

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #42D1BB

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

Preview Lab → · Contrast checker → · Palette generator →