#42B4AB#42B4AB

#42B4AB is a light, moderate teal. Relative luminance 0.367; OKLCH L 70.4% C 0.102 H 187.7°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX#42B4AB
RGBrgb(66, 180, 171)
HSLhsl(175, 46%, 48%)
HSVhsv(175, 63%, 71%)
CMYKcmyk(63.3%, 0%, 5%, 29.4%)
CIE-LABlab(67.08, -33.88, -4.90)
CIE-LCHlch(67.08, 34.23, 188.22°)
OKLaboklab(70.37% -0.1014 -0.0138)
OKLCHoklch(70.37% 0.102 187.7)
XYZxyz(25.9154, 36.7382, 44.2456)
Luminance0.3674 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B4AB #B4424B
analogous
#42B472 #42B4AB #4284B4
triadic
#42B4AB #AB42B4 #B4AB42
tetradic
#42B4AB #7242B4 #B4424B #84B442
square
#42B4AB #7242B4 #B4424B #84B442
split-complementary
#42B4AB #B44284 #B47242
monochromatic
#215A56 #328780 #42B4AB #6BC9C1 #97D9D4

Accessibility & contrast

On white

2.52
#42B4AB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.35
#42B4AB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B4AB
8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B4AB#FFFFFF#000000##000000
##42B4AB1.002.528.358.35
#FFFFFF2.521.0021.0021.00
#0000008.3521.001.001.00
##0000008.3521.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABABAB
Deuteranopia (green-blind)
#999EAC
Tritanopia (blue-blind)
#00B8B1
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #42b4ab;
/* rgb */ color: rgb(66, 180, 171);
/* oklch */ color: oklch(70.4% 0.102 187.7);
Tailwind
colors: {
  custom: {
    50: '#84cbc3',
    500: '#42b4ab',
    950: '#000000',
  },
}
SCSS
$custom: #42b4ab;
$custom-light: #84cbc3;
$custom-dark: #000000;
JSON
{
  "hex": "#42b4ab",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 171
  },
  "hsl": {
    "h": 175.263,
    "s": 46.341,
    "l": 48.235
  },
  "oklch": {
    "l": 0.7037,
    "c": 0.10233,
    "h": 187.7
  },
  "luminance": 0.36741
}

Semantic roles & 50–950 ramp

primary
#42B4AB
secondary
#C58D91
accent
#525CD6
background
#F8FCFC
surface
#F0F8F8
border
#CBD1D1
text
#0C1312
muted
#7D8281

Preview Lab

Preview with #42B4AB

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

Preview Lab → · Contrast checker → · Palette generator →

#42B4AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva