#42C6BB#42C6BB

#42C6BB is a light, moderate teal. Relative luminance 0.451; OKLCH L 75.3% C 0.114 H 187.1°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX#42C6BB
RGBrgb(66, 198, 187)
HSLhsl(175, 54%, 52%)
HSVhsv(175, 67%, 78%)
CMYKcmyk(66.7%, 0%, 5.6%, 22.4%)
CIE-LABlab(72.98, -37.85, -4.96)
CIE-LCHlch(72.98, 38.18, 187.46°)
OKLaboklab(75.31% -0.1129 -0.014)
OKLCHoklch(75.31% 0.114 187.1)
XYZxyz(31.4063, 45.1307, 54.0600)
Luminance0.4513 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42C6BB #C6424D
analogous
#42C679 #42C6BB #428FC6
triadic
#42C6BB #BB42C6 #C6BB42
tetradic
#42C6BB #7942C6 #C6424D #8FC642
square
#42C6BB #7942C6 #C6424D #8FC642
split-complementary
#42C6BB #C6428F #C67942
monochromatic
#216D66 #2F9C93 #42C6BB #71D4CC #A0E2DD

Accessibility & contrast

On white

2.09
#42C6BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.03
#42C6BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C6BB
10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42C6BB#FFFFFF#000000##000000
##42C6BB1.002.0910.0310.03
#FFFFFF2.091.0021.0021.00
#00000010.0321.001.001.00
##00000010.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#BCBBBB
Deuteranopia (green-blind)
#A8ADBC
Tritanopia (blue-blind)
#00CBC2
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #42c6bb;
/* rgb */ color: rgb(66, 198, 187);
/* oklch */ color: oklch(75.3% 0.114 187.1);
Tailwind
colors: {
  custom: {
    50: '#88d8cf',
    500: '#42c6bb',
    950: '#000000',
  },
}
SCSS
$custom: #42c6bb;
$custom-light: #88d8cf;
$custom-dark: #000000;
JSON
{
  "hex": "#42c6bb",
  "rgb": {
    "r": 66,
    "g": 198,
    "b": 187
  },
  "hsl": {
    "h": 175,
    "s": 53.659,
    "l": 51.765
  },
  "oklch": {
    "l": 0.75311,
    "c": 0.11378,
    "h": 187.1
  },
  "luminance": 0.45134
}

Semantic roles & 50–950 ramp

primary
#42C6BB
secondary
#CF959A
accent
#4B57DD
background
#F9FDFC
surface
#F1FAF9
border
#CBD3D2
text
#0D1413
muted
#7E8382

Preview Lab

Preview with #42C6BB

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

Preview Lab → · Contrast checker → · Palette generator →

#42C6BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva