#42D5B0#42D5B0

#42D5B0 is a light, vivid teal. Relative luminance 0.519; OKLCH L 78.7% C 0.134 H 172.2°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX#42D5B0
RGBrgb(66, 213, 176)
HSLhsl(165, 64%, 55%)
HSVhsv(165, 69%, 84%)
CMYKcmyk(69%, 0%, 17.4%, 16.5%)
CIE-LABlab(77.21, -47.26, 7.13)
CIE-LCHlch(77.21, 47.80, 171.42°)
OKLaboklab(78.66% -0.133 0.0181)
OKLCHoklch(78.66% 0.134 172.2)
XYZxyz(33.8735, 51.8775, 49.2940)
Luminance0.5188 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D5B0 #D54267
analogous
#42D567 #42D5B0 #42B0D5
triadic
#42D5B0 #B042D5 #D5B042
tetradic
#42D5B0 #6742D5 #D54267 #B0D542
square
#42D5B0 #6742D5 #D54267 #B0D542
split-complementary
#42D5B0 #D542B0 #D56742
monochromatic
#1C8067 #28B28F #42D5B0 #74E0C5 #A6EBDA

Accessibility & contrast

On white

1.85
#42D5B0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.38
#42D5B0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D5B0
11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D5B0#FFFFFF#000000##000000
##42D5B01.001.8511.3811.38
#FFFFFF1.851.0021.0021.00
#00000011.3821.001.001.00
##00000011.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#CEC7AE
Deuteranopia (green-blind)
#BAB9B3
Tritanopia (blue-blind)
#00D7CA
Achromatopsia (no color)
#BFBFBF

Design tokens & code

CSS
--color: #42d5b0;
/* rgb */ color: rgb(66, 213, 176);
/* oklch */ color: oklch(78.7% 0.134 172.2);
Tailwind
colors: {
  custom: {
    50: '#89e3c7',
    500: '#42d5b0',
    950: '#000000',
  },
}
SCSS
$custom: #42d5b0;
$custom-light: #89e3c7;
$custom-dark: #000000;
JSON
{
  "hex": "#42d5b0",
  "rgb": {
    "r": 66,
    "g": 213,
    "b": 176
  },
  "hsl": {
    "h": 164.898,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.78664,
    "c": 0.13427,
    "h": 172.2
  },
  "luminance": 0.51881
}

Semantic roles & 50–950 ramp

primary
#42D5B0
secondary
#873449
accent
#416BE7
background
#FCFEFD
surface
#F4FCF9
border
#CED5D2
text
#0D1513
muted
#7F8482

Preview Lab

Preview with #42D5B0

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

Preview Lab → · Contrast checker → · Palette generator →

#42D5B0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva