#42D9D5#42D9D5

#42D9D5 is a light, vivid teal. Relative luminance 0.556; OKLCH L 80.8% C 0.123 H 192.4°. Best body text is #000000 at 12.12:1 contrast (WCAG AA passes).

Color values

HEX#42D9D5
RGBrgb(66, 217, 213)
HSLhsl(178, 67%, 55%)
HSVhsv(178, 70%, 85%)
CMYKcmyk(69.6%, 0%, 1.8%, 14.9%)
CIE-LABlab(79.38, -39.35, -9.48)
CIE-LCHlch(79.38, 40.48, 193.55°)
OKLaboklab(80.76% -0.1205 -0.0264)
OKLCHoklch(80.76% 0.123 192.4)
XYZxyz(39.0644, 55.5835, 71.6078)
Luminance0.5559 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D9D5 #D94246
analogous
#42D98A #42D9D5 #4291D9
triadic
#42D9D5 #D542D9 #D9D542
tetradic
#42D9D5 #8A42D9 #D94246 #91D942
square
#42D9D5 #8A42D9 #D94246 #91D942
split-complementary
#42D9D5 #D94291 #D98A42
monochromatic
#1B8683 #25B9B5 #42D9D5 #75E3E0 #A8EDEC

Accessibility & contrast

On white

1.73
#42D9D5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.12
#42D9D5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9D5
12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D9D5#FFFFFF#000000##000000
##42D9D51.001.7312.1212.12
#FFFFFF1.731.0021.0021.00
#00000012.1221.001.001.00
##00000012.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCCED5
Deuteranopia (green-blind)
#B6BED6
Tritanopia (blue-blind)
#00DFD7
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #42d9d5;
/* rgb */ color: rgb(66, 217, 213);
/* oklch */ color: oklch(80.8% 0.123 192.4);
Tailwind
colors: {
  custom: {
    50: '#8ce5e1',
    500: '#42d9d5',
    950: '#000000',
  },
}
SCSS
$custom: #42d9d5;
$custom-light: #8ce5e1;
$custom-dark: #000000;
JSON
{
  "hex": "#42d9d5",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 213
  },
  "hsl": {
    "h": 178.411,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.80755,
    "c": 0.12333,
    "h": 192.4
  },
  "luminance": 0.55588
}

Semantic roles & 50–950 ramp

primary
#42D9D5
secondary
#8C3335
accent
#3E43E9
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #42D9D5

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

Preview Lab → · Contrast checker → · Palette generator →

#42D9D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva