#42D4CB#42D4CB

#42D4CB is a light, vivid teal. Relative luminance 0.526; OKLCH L 79.2% C 0.121 H 189.0°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX#42D4CB
RGBrgb(66, 212, 203)
HSLhsl(176, 63%, 55%)
HSVhsv(176, 69%, 83%)
CMYKcmyk(68.9%, 0%, 4.2%, 16.9%)
CIE-LABlab(77.61, -39.85, -6.75)
CIE-LCHlch(77.61, 40.41, 189.61°)
OKLaboklab(79.22% -0.1199 -0.0189)
OKLCHoklch(79.22% 0.121 189)
XYZxyz(36.5647, 52.5528, 64.7050)
Luminance0.5256 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42D4CB #D4424B
analogous
#42D482 #42D4CB #4294D4
triadic
#42D4CB #CB42D4 #D4CB42
tetradic
#42D4CB #8242D4 #D4424B #94D442
square
#42D4CB #8242D4 #D4424B #94D442
split-complementary
#42D4CB #D44294 #D48242
monochromatic
#1D7F79 #28B1A8 #42D4CB #74DFD9 #A6EBE6

Accessibility & contrast

On white

1.82
#42D4CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.51
#42D4CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D4CB
11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42D4CB#FFFFFF#000000##000000
##42D4CB1.001.8211.5111.51
#FFFFFF1.821.0021.0021.00
#00000011.5121.001.001.00
##00000011.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8C9CB
Deuteranopia (green-blind)
#B3B9CC
Tritanopia (blue-blind)
#00D9D1
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #42d4cb;
/* rgb */ color: rgb(66, 212, 203);
/* oklch */ color: oklch(79.2% 0.121 189.0);
Tailwind
colors: {
  custom: {
    50: '#8ae2da',
    500: '#42d4cb',
    950: '#000000',
  },
}
SCSS
$custom: #42d4cb;
$custom-light: #8ae2da;
$custom-dark: #000000;
JSON
{
  "hex": "#42d4cb",
  "rgb": {
    "r": 66,
    "g": 212,
    "b": 203
  },
  "hsl": {
    "h": 176.301,
    "s": 62.931,
    "l": 54.51
  },
  "oklch": {
    "l": 0.79225,
    "c": 0.12138,
    "h": 189
  },
  "luminance": 0.52557
}

Semantic roles & 50–950 ramp

primary
#42D4CB
secondary
#863439
accent
#424CE6
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1514
muted
#7F8483

Preview Lab

Preview with #42D4CB

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

Preview Lab → · Contrast checker → · Palette generator →

#42D4CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva