#42B8BE#42B8BE

#42B8BE is a light, moderate teal. Relative luminance 0.392; OKLCH L 72.0% C 0.103 H 199.9°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX#42B8BE
RGBrgb(66, 184, 190)
HSLhsl(183, 49%, 50%)
HSVhsv(183, 65%, 75%)
CMYKcmyk(65.3%, 3.2%, 0%, 25.5%)
CIE-LABlab(68.86, -30.43, -12.73)
CIE-LCHlch(68.86, 32.99, 202.69°)
OKLaboklab(72% -0.0972 -0.0353)
OKLCHoklch(72% 0.103 199.9)
XYZxyz(28.6775, 39.1538, 54.7513)
Luminance0.3916 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42B8BE #BE4842
analogous
#42BE86 #42B8BE #427ABE
triadic
#42B8BE #BE42B8 #B8BE42
tetradic
#42B8BE #8642BE #BE4842 #7ABE42
square
#42B8BE #8642BE #BE4842 #7ABE42
split-complementary
#42B8BE #BE427A #BE8642
monochromatic
#226063 #328C91 #42B8BE #70C9CE #9DDADD

Accessibility & contrast

On white

2.38
#42B8BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.83
#42B8BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B8BE
8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42B8BE#FFFFFF#000000##000000
##42B8BE1.002.388.838.83
#FFFFFF2.381.0021.0021.00
#0000008.8321.001.001.00
##0000008.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABB0BF
Deuteranopia (green-blind)
#98A2BF
Tritanopia (blue-blind)
#00BEBA
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #42b8be;
/* rgb */ color: rgb(66, 184, 190);
/* oklch */ color: oklch(72.0% 0.103 199.9);
Tailwind
colors: {
  custom: {
    50: '#86cdd1',
    500: '#42b8be',
    950: '#000000',
  },
}
SCSS
$custom: #42b8be;
$custom-light: #86cdd1;
$custom-dark: #000000;
JSON
{
  "hex": "#42b8be",
  "rgb": {
    "r": 66,
    "g": 184,
    "b": 190
  },
  "hsl": {
    "h": 182.903,
    "s": 48.819,
    "l": 50.196
  },
  "oklch": {
    "l": 0.72004,
    "c": 0.10344,
    "h": 199.9
  },
  "luminance": 0.39157
}

Semantic roles & 50–950 ramp

primary
#42B8BE
secondary
#CA9592
accent
#564FD8
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #42B8BE

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

Preview Lab → · Contrast checker → · Palette generator →

#42B8BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva