#42B9AD#42B9AD

#42B9AD is a light, moderate teal. Relative luminance 0.389; OKLCH L 71.7% C 0.106 H 185.7°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#42B9AD
RGBrgb(66, 185, 173)
HSLhsl(174, 47%, 49%)
HSVhsv(174, 64%, 73%)
CMYKcmyk(64.3%, 0%, 6.5%, 27.5%)
CIE-LABlab(68.66, -35.67, -3.67)
CIE-LCHlch(68.66, 35.86, 185.88°)
OKLaboklab(71.67% -0.1058 -0.0105)
OKLCHoklch(71.67% 0.106 185.7)
XYZxyz(27.1351, 38.8703, 45.5997)
Luminance0.3887 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B9AD #B9424E
analogous
#42B972 #42B9AD #4289B9
triadic
#42B9AD #AD42B9 #B9AD42
tetradic
#42B9AD #7242B9 #B9424E #89B942
square
#42B9AD #7242B9 #B9424E #89B942
split-complementary
#42B9AD #B94289 #B97242
monochromatic
#225F59 #328C83 #42B9AD #6DCBC2 #9ADBD5

Accessibility & contrast

On white

2.39
#42B9AD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.77
#42B9AD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B9AD
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B9AD#FFFFFF#000000##000000
##42B9AD1.002.398.778.77
#FFFFFF2.391.0021.0021.00
#0000008.7721.001.001.00
##0000008.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0AFAD
Deuteranopia (green-blind)
#9EA2AE
Tritanopia (blue-blind)
#00BDB5
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #42b9ad;
/* rgb */ color: rgb(66, 185, 173);
/* oklch */ color: oklch(71.7% 0.106 185.7);
Tailwind
colors: {
  custom: {
    50: '#85cec5',
    500: '#42b9ad',
    950: '#000000',
  },
}
SCSS
$custom: #42b9ad;
$custom-light: #85cec5;
$custom-dark: #000000;
JSON
{
  "hex": "#42b9ad",
  "rgb": {
    "r": 66,
    "g": 185,
    "b": 173
  },
  "hsl": {
    "h": 173.95,
    "s": 47.41,
    "l": 49.216
  },
  "oklch": {
    "l": 0.71669,
    "c": 0.10628,
    "h": 185.7
  },
  "luminance": 0.38873
}

Semantic roles & 50–950 ramp

primary
#42B9AD
secondary
#C79095
accent
#515ED7
background
#F8FCFC
surface
#F0F9F8
border
#CBD2D1
text
#0C1412
muted
#7D8281

Preview Lab

Preview with #42B9AD

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

Preview Lab → · Contrast checker → · Palette generator →

#42B9AD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva