#42D1E6#42D1E6

#42D1E6 is a light, vivid teal. Relative luminance 0.525; OKLCH L 79.5% C 0.121 H 209.3°. Best body text is #000000 at 11.49:1 contrast (WCAG AA passes).

Color values

HEX#42D1E6
RGBrgb(66, 209, 230)
HSLhsl(188, 77%, 58%)
HSVhsv(188, 71%, 90%)
CMYKcmyk(71.3%, 9.1%, 0%, 9.8%)
CIE-LABlab(77.56, -30.70, -21.32)
CIE-LCHlch(77.56, 37.38, 214.77°)
OKLaboklab(79.46% -0.1056 -0.0593)
OKLCHoklch(79.46% 0.121 209.3)
XYZxyz(39.3240, 52.4677, 82.9023)
Luminance0.5247 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D1E6 #E65742
analogous
#42E6A9 #42D1E6 #427FE6
triadic
#42D1E6 #E642D1 #D1E642
tetradic
#42D1E6 #A942E6 #E65742 #7FE642
square
#42D1E6 #A942E6 #E65742 #7FE642
split-complementary
#42D1E6 #E6427F #E6A942
monochromatic
#148899 #1BB8CF #42D1E6 #78DEED #AEEBF4

Accessibility & contrast

On white

1.83
#42D1E6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.49
#42D1E6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D1E6
11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D1E6#FFFFFF#000000##000000
##42D1E61.001.8311.4911.49
#FFFFFF1.831.0021.0021.00
#00000011.4921.001.001.00
##00000011.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#BEC9E7
Deuteranopia (green-blind)
#A7B8E6
Tritanopia (blue-blind)
#00DBD7
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #42d1e6;
/* rgb */ color: rgb(66, 209, 230);
/* oklch */ color: oklch(79.5% 0.121 209.3);
Tailwind
colors: {
  custom: {
    50: '#8ddfee',
    500: '#42d1e6',
    950: '#000000',
  },
}
SCSS
$custom: #42d1e6;
$custom-light: #8ddfee;
$custom-dark: #000000;
JSON
{
  "hex": "#42d1e6",
  "rgb": {
    "r": 66,
    "g": 209,
    "b": 230
  },
  "hsl": {
    "h": 187.683,
    "s": 76.636,
    "l": 58.039
  },
  "oklch": {
    "l": 0.7946,
    "c": 0.12113,
    "h": 209.3
  },
  "luminance": 0.52472
}

Semantic roles & 50–950 ramp

primary
#42D1E6
secondary
#9D3D2F
accent
#4D35F3
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0E1516
muted
#7F8485

Preview Lab

Preview with #42D1E6

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

Preview Lab → · Contrast checker → · Palette generator →

#42D1E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva