#42D8C8#42D8C8

#42D8C8 is a light, vivid teal. Relative luminance 0.544; OKLCH L 80.1% C 0.126 H 184.6°. Best body text is #000000 at 11.89:1 contrast (WCAG AA passes).

Color values

HEX#42D8C8
RGBrgb(66, 216, 200)
HSLhsl(174, 66%, 55%)
HSVhsv(174, 69%, 85%)
CMYKcmyk(69.4%, 0%, 7.4%, 15.3%)
CIE-LABlab(78.72, -42.44, -3.51)
CIE-LCHlch(78.72, 42.59, 184.73°)
OKLaboklab(80.1% -0.1252 -0.0102)
OKLCHoklch(80.1% 0.126 184.6)
XYZxyz(37.2230, 54.4358, 63.1778)
Luminance0.5444 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D8C8 #D84252
analogous
#42D87D #42D8C8 #429DD8
triadic
#42D8C8 #C842D8 #D8C842
tetradic
#42D8C8 #7D42D8 #D84252 #9DD842
square
#42D8C8 #7D42D8 #D84252 #9DD842
split-complementary
#42D8C8 #D8429D #D87D42
monochromatic
#1B8479 #26B7A8 #42D8C8 #75E2D7 #A7EDE6

Accessibility & contrast

On white

1.77
#42D8C8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.89
#42D8C8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8C8
11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D8C8#FFFFFF#000000##000000
##42D8C81.001.7711.8911.89
#FFFFFF1.771.0021.0021.00
#00000011.8921.001.001.00
##00000011.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDCCC8
Deuteranopia (green-blind)
#B8BCCA
Tritanopia (blue-blind)
#00DDD3
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #42d8c8;
/* rgb */ color: rgb(66, 216, 200);
/* oklch */ color: oklch(80.1% 0.126 184.6);
Tailwind
colors: {
  custom: {
    50: '#8be5d8',
    500: '#42d8c8',
    950: '#000000',
  },
}
SCSS
$custom: #42d8c8;
$custom-light: #8be5d8;
$custom-dark: #000000;
JSON
{
  "hex": "#42d8c8",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 200
  },
  "hsl": {
    "h": 173.6,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.80097,
    "c": 0.12558,
    "h": 184.6
  },
  "luminance": 0.5444
}

Semantic roles & 50–950 ramp

primary
#42D8C8
secondary
#8B333D
accent
#3F51E9
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1614
muted
#7F8483

Preview Lab

Preview with #42D8C8

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

Preview Lab → · Contrast checker → · Palette generator →

#42D8C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva