#42D5AB#42D5AB

#42D5AB is a light, vivid teal. Relative luminance 0.517; OKLCH L 78.5% C 0.138 H 169.7°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX#42D5AB
RGBrgb(66, 213, 171)
HSLhsl(163, 64%, 55%)
HSVhsv(163, 69%, 84%)
CMYKcmyk(69%, 0%, 19.7%, 16.5%)
CIE-LABlab(77.09, -48.46, 9.63)
CIE-LCHlch(77.09, 49.41, 168.76°)
OKLaboklab(78.53% -0.1353 0.0246)
OKLCHoklch(78.53% 0.138 169.7)
XYZxyz(33.3879, 51.6832, 46.7364)
Luminance0.5169 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D5AB #D5426C
analogous
#42D562 #42D5AB #42B6D5
triadic
#42D5AB #AB42D5 #D5AB42
tetradic
#42D5AB #6242D5 #D5426C #B6D542
square
#42D5AB #6242D5 #D5426C #B6D542
split-complementary
#42D5AB #D542B6 #D56242
monochromatic
#1C8064 #28B28B #42D5AB #74E0C1 #A6EBD8

Accessibility & contrast

On white

1.85
#42D5AB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.34
#42D5AB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5AB
11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D5AB#FFFFFF#000000##000000
##42D5AB1.001.8511.3411.34
#FFFFFF1.851.0021.0021.00
#00000011.3421.001.001.00
##00000011.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#CFC7A9
Deuteranopia (green-blind)
#BBB8AE
Tritanopia (blue-blind)
#00D6C9
Achromatopsia (no color)
#BEBEBE

Design tokens & code

CSS
--color: #42d5ab;
/* rgb */ color: rgb(66, 213, 171);
/* oklch */ color: oklch(78.5% 0.138 169.7);
Tailwind
colors: {
  custom: {
    50: '#89e3c4',
    500: '#42d5ab',
    950: '#000000',
  },
}
SCSS
$custom: #42d5ab;
$custom-light: #89e3c4;
$custom-dark: #000000;
JSON
{
  "hex": "#42d5ab",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 171
  },
  "hsl": {
    "h": 162.857,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.78531,
    "c": 0.13756,
    "h": 169.7
  },
  "luminance": 0.51687
}

Semantic roles & 50–950 ramp

primary
#42D5AB
secondary
#87344C
accent
#4170E7
background
#FCFEFD
surface
#F4FCF9
border
#CED5D2
text
#0D1512
muted
#7F8482

Preview Lab

Preview with #42D5AB

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

Preview Lab → · Contrast checker → · Palette generator →

#42D5AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva