#42DA9B#42DA9B

#42DA9B is a light, vivid teal. Relative luminance 0.537; OKLCH L 79.4% C 0.156 H 161.2°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX#42DA9B
RGBrgb(66, 218, 155)
HSLhsl(155, 67%, 56%)
HSVhsv(155, 70%, 85%)
CMYKcmyk(69.7%, 0%, 28.9%, 14.5%)
CIE-LABlab(78.27, -54.08, 19.75)
CIE-LCHlch(78.27, 57.57, 159.93°)
OKLaboklab(79.38% -0.1477 0.0502)
OKLCHoklch(79.38% 0.156 161.2)
XYZxyz(33.2311, 53.6638, 39.6108)
Luminance0.5367 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42DA9B #DA4281
analogous
#42DA4F #42DA9B #42CDDA
triadic
#42DA9B #9B42DA #DA9B42
tetradic
#42DA9B #4F42DA #DA4281 #CDDA42
square
#42DA9B #4F42DA #DA4281 #CDDA42
split-complementary
#42DA9B #DA42CD #DA4F42
monochromatic
#1A875A #24BA7C #42DA9B #75E4B6 #A8EED1

Accessibility & contrast

On white

1.79
#42DA9B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.73
#42DA9B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DA9B
11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42DA9B#FFFFFF#000000##000000
##42DA9B1.001.7911.7311.73
#FFFFFF1.791.0021.0021.00
#00000011.7321.001.001.00
##00000011.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#D7CA97
Deuteranopia (green-blind)
#C3BC9F
Tritanopia (blue-blind)
#00D9C9
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #42da9b;
/* rgb */ color: rgb(66, 218, 155);
/* oklch */ color: oklch(79.4% 0.156 161.2);
Tailwind
colors: {
  custom: {
    50: '#89e6b8',
    500: '#42da9b',
    950: '#000000',
  },
}
SCSS
$custom: #42da9b;
$custom-light: #89e6b8;
$custom-dark: #000000;
JSON
{
  "hex": "#42da9b",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 155
  },
  "hsl": {
    "h": 155.132,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.79381,
    "c": 0.15599,
    "h": 161.2
  },
  "luminance": 0.53668
}

Semantic roles & 50–950 ramp

primary
#42DA9B
secondary
#8D3358
accent
#3E85EA
background
#FCFEFD
surface
#F4FCF8
border
#CED5D1
text
#0D1611
muted
#7F8481

Preview Lab

Preview with #42DA9B

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

Preview Lab → · Contrast checker → · Palette generator →

#42DA9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva