#42D4BB#42D4BB

#42D4BB is a light, vivid teal. Relative luminance 0.518; OKLCH L 78.7% C 0.127 H 178.9°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX#42D4BB
RGBrgb(66, 212, 187)
HSLhsl(170, 63%, 55%)
HSVhsv(170, 69%, 83%)
CMYKcmyk(68.9%, 0%, 11.8%, 16.9%)
CIE-LABlab(77.18, -44.09, 1.20)
CIE-LCHlch(77.18, 44.10, 178.44°)
OKLaboklab(78.73% -0.127 0.0025)
OKLCHoklch(78.73% 0.127 178.9)
XYZxyz(34.7555, 51.8291, 55.1764)
Luminance0.5183 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D4BB #D4425B
analogous
#42D472 #42D4BB #42A4D4
triadic
#42D4BB #BB42D4 #D4BB42
tetradic
#42D4BB #7242D4 #D4425B #A4D442
square
#42D4BB #7242D4 #D4425B #A4D442
split-complementary
#42D4BB #D442A4 #D47242
monochromatic
#1D7F6E #28B199 #42D4BB #74DFCD #A6EBDF

Accessibility & contrast

On white

1.85
#42D4BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.37
#42D4BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4BB
11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D4BB#FFFFFF#000000##000000
##42D4BB1.001.8511.3711.37
#FFFFFF1.851.0021.0021.00
#00000011.3721.001.001.00
##00000011.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBC7BA
Deuteranopia (green-blind)
#B7B8BD
Tritanopia (blue-blind)
#00D7CC
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #42d4bb;
/* rgb */ color: rgb(66, 212, 187);
/* oklch */ color: oklch(78.7% 0.127 178.9);
Tailwind
colors: {
  custom: {
    50: '#89e2cf',
    500: '#42d4bb',
    950: '#000000',
  },
}
SCSS
$custom: #42d4bb;
$custom-light: #89e2cf;
$custom-dark: #000000;
JSON
{
  "hex": "#42d4bb",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 187
  },
  "hsl": {
    "h": 169.726,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.78731,
    "c": 0.12704,
    "h": 178.9
  },
  "luminance": 0.51833
}

Semantic roles & 50–950 ramp

primary
#42D4BB
secondary
#863442
accent
#425EE6
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1513
muted
#7F8483

Preview Lab

Preview with #42D4BB

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

Preview Lab → · Contrast checker → · Palette generator →

#42D4BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva