#42BBC8#42BBC8

#42BBC8 is a light, moderate teal. Relative luminance 0.409; OKLCH L 73.1% C 0.106 H 205.3°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).

Color values

HEX#42BBC8
RGBrgb(66, 187, 200)
HSLhsl(186, 55%, 52%)
HSVhsv(186, 67%, 78%)
CMYKcmyk(67%, 6.5%, 0%, 21.6%)
CIE-LABlab(70.08, -28.96, -16.38)
CIE-LCHlch(70.08, 33.27, 209.50°)
OKLaboklab(73.1% -0.0961 -0.0455)
OKLCHoklch(73.1% 0.106 205.3)
XYZxyz(30.4379, 40.8656, 60.9161)
Luminance0.4087 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42BBC8 #C84F42
analogous
#42C892 #42BBC8 #4278C8
triadic
#42BBC8 #C842BB #BBC842
tetradic
#42BBC8 #9242C8 #C84F42 #78C842
square
#42BBC8 #9242C8 #C84F42 #78C842
split-complementary
#42BBC8 #C84278 #C89242
monochromatic
#20686F #2E949F #42BBC8 #71CCD6 #A1DDE4

Accessibility & contrast

On white

2.29
#42BBC8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.17
#42BBC8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBC8
9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42BBC8#FFFFFF#000000##000000
##42BBC81.002.299.179.17
#FFFFFF2.291.0021.0021.00
#0000009.1721.001.001.00
##0000009.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACB4C9
Deuteranopia (green-blind)
#98A5C8
Tritanopia (blue-blind)
#00C3BF
Achromatopsia (no color)
#ABABAB

Design tokens & code

CSS
--color: #42bbc8;
/* rgb */ color: rgb(66, 187, 200);
/* oklch */ color: oklch(73.1% 0.106 205.3);
Tailwind
colors: {
  custom: {
    50: '#87d0d8',
    500: '#42bbc8',
    950: '#000000',
  },
}
SCSS
$custom: #42bbc8;
$custom-light: #87d0d8;
$custom-dark: #000000;
JSON
{
  "hex": "#42bbc8",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 200
  },
  "hsl": {
    "h": 185.821,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.73096,
    "c": 0.10631,
    "h": 205.3
  },
  "luminance": 0.40869
}

Semantic roles & 50–950 ramp

primary
#42BBC8
secondary
#D09B96
accent
#584ADE
background
#F9FCFD
surface
#F1F9FA
border
#CBD2D3
text
#0D1414
muted
#7E8283

Preview Lab

Preview with #42BBC8

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

Preview Lab → · Contrast checker → · Palette generator →

#42BBC8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva