#42D8D8#42D8D8

#42D8D8 is a light, vivid teal. Relative luminance 0.552; OKLCH L 80.6% C 0.122 H 195.0°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX#42D8D8
RGBrgb(66, 216, 216)
HSLhsl(180, 66%, 55%)
HSVhsv(180, 69%, 85%)
CMYKcmyk(69.4%, 0%, 0%, 15.3%)
CIE-LABlab(79.17, -38.06, -11.40)
CIE-LCHlch(79.17, 39.73, 196.67°)
OKLaboklab(80.62% -0.1182 -0.0317)
OKLCHoklch(80.62% 0.122 195)
XYZxyz(39.1917, 55.2233, 73.5461)
Luminance0.5523 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D8D8 #D84242
analogous
#42D88D #42D8D8 #428DD8
triadic
#42D8D8 #D842D8 #D8D842
tetradic
#42D8D8 #8D42D8 #D84242 #8DD842
square
#42D8D8 #8D42D8 #D84242 #8DD842
split-complementary
#42D8D8 #D8428D #D88D42
monochromatic
#1B8484 #26B7B7 #42D8D8 #75E2E2 #A7EDED

Accessibility & contrast

On white

1.74
#42D8D8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.05
#42D8D8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D8D8
12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D8D8#FFFFFF#000000##000000
##42D8D81.001.7412.0512.05
#FFFFFF1.741.0021.0021.00
#00000012.0521.001.001.00
##00000012.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#CACED8
Deuteranopia (green-blind)
#B4BDD9
Tritanopia (blue-blind)
#00DFD8
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #42d8d8;
/* rgb */ color: rgb(66, 216, 216);
/* oklch */ color: oklch(80.6% 0.122 195.0);
Tailwind
colors: {
  custom: {
    50: '#8ce4e4',
    500: '#42d8d8',
    950: '#000000',
  },
}
SCSS
$custom: #42d8d8;
$custom-light: #8ce4e4;
$custom-dark: #000000;
JSON
{
  "hex": "#42d8d8",
  "rgb": {
    "r": 66,
    "g": 216,
    "b": 216
  },
  "hsl": {
    "h": 180,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.80617,
    "c": 0.12238,
    "h": 195
  },
  "luminance": 0.55228
}

Semantic roles & 50–950 ramp

primary
#42D8D8
secondary
#8B3333
accent
#3F3FE9
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #42D8D8

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

Preview Lab → · Contrast checker → · Palette generator →

#42D8D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva