#42D9DA#42D9DA

#42D9DA is a light, vivid teal. Relative luminance 0.558; OKLCH L 80.9% C 0.123 H 195.7°. Best body text is #000000 at 12.17:1 contrast (WCAG AA passes).

Color values

HEX#42D9DA
RGBrgb(66, 217, 218)
HSLhsl(180, 67%, 56%)
HSVhsv(180, 70%, 85%)
CMYKcmyk(69.7%, 0.5%, 0%, 14.5%)
CIE-LABlab(79.52, -37.96, -11.94)
CIE-LCHlch(79.52, 39.79, 197.46°)
OKLaboklab(80.92% -0.1183 -0.0332)
OKLCHoklch(80.92% 0.123 195.7)
XYZxyz(39.7088, 55.8412, 75.0017)
Luminance0.5585 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D9DA #DA4342
analogous
#42DA8F #42D9DA #428DDA
triadic
#42D9DA #DA42D9 #D9DA42
tetradic
#42D9DA #8F42DA #DA4342 #8DDA42
square
#42D9DA #8F42DA #DA4342 #8DDA42
split-complementary
#42D9DA #DA428D #DA8F42
monochromatic
#1A8687 #24B9BA #42D9DA #75E3E4 #A8EEEE

Accessibility & contrast

On white

1.73
#42D9DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.17
#42D9DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D9DA
12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D9DA#FFFFFF#000000##000000
##42D9DA1.001.7312.1712.17
#FFFFFF1.731.0021.0021.00
#00000012.1721.001.001.00
##00000012.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#CBCFDA
Deuteranopia (green-blind)
#B4BEDB
Tritanopia (blue-blind)
#00E0D9
Achromatopsia (no color)
#C5C5C5

Design tokens & code

CSS
--color: #42d9da;
/* rgb */ color: rgb(66, 217, 218);
/* oklch */ color: oklch(80.9% 0.123 195.7);
Tailwind
colors: {
  custom: {
    50: '#8ce5e5',
    500: '#42d9da',
    950: '#000000',
  },
}
SCSS
$custom: #42d9da;
$custom-light: #8ce5e5;
$custom-dark: #000000;
JSON
{
  "hex": "#42d9da",
  "rgb": {
    "r": 66,
    "g": 217,
    "b": 218
  },
  "hsl": {
    "h": 180.395,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.80924,
    "c": 0.12289,
    "h": 195.7
  },
  "luminance": 0.55846
}

Semantic roles & 50–950 ramp

primary
#42D9DA
secondary
#8D3333
accent
#3F3EEA
background
#FCFEFE
surface
#F5FCFC
border
#CFD5D5
text
#0E1615
muted
#7F8484

Preview Lab

Preview with #42D9DA

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

Preview Lab → · Contrast checker → · Palette generator →

#42D9DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva