#42BBBA#42BBBA

#42BBBA is a light, moderate teal. Relative luminance 0.402; OKLCH L 72.6% C 0.105 H 194.3°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX#42BBBA
RGBrgb(66, 187, 186)
HSLhsl(180, 48%, 50%)
HSVhsv(180, 65%, 73%)
CMYKcmyk(64.7%, 0%, 0.5%, 26.7%)
CIE-LABlab(69.64, -33.01, -9.36)
CIE-LCHlch(69.64, 34.32, 195.83°)
OKLaboklab(72.59% -0.1021 -0.026)
OKLCHoklch(72.59% 0.105 194.3)
XYZxyz(28.8761, 40.2409, 52.6903)
Luminance0.4024 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#42BBBA #BB4243
analogous
#42BB7E #42BBBA #4280BB
triadic
#42BBBA #BA42BB #BBBA42
tetradic
#42BBBA #7E42BB #BB4243 #80BB42
square
#42BBBA #7E42BB #BB4243 #80BB42
split-complementary
#42BBBA #BB4280 #BB7E42
monochromatic
#226160 #328E8D #42BBBA #6ECCCB #9CDCDB

Accessibility & contrast

On white

2.32
#42BBBA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.05
#42BBBA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBBA
9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##42BBBA#FFFFFF#000000##000000
##42BBBA1.002.329.059.05
#FFFFFF2.321.0021.0021.00
#0000009.0521.001.001.00
##0000009.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#AFB2BA
Deuteranopia (green-blind)
#9DA4BB
Tritanopia (blue-blind)
#00C1BA
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #42bbba;
/* rgb */ color: rgb(66, 187, 186);
/* oklch */ color: oklch(72.6% 0.105 194.3);
Tailwind
colors: {
  custom: {
    50: '#86d0ce',
    500: '#42bbba',
    950: '#000000',
  },
}
SCSS
$custom: #42bbba;
$custom-light: #86d0ce;
$custom-dark: #000000;
JSON
{
  "hex": "#42bbba",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 186
  },
  "hsl": {
    "h": 179.504,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72593,
    "c": 0.10533,
    "h": 194.3
  },
  "luminance": 0.40244
}

Semantic roles & 50–950 ramp

primary
#42BBBA
secondary
#C89191
accent
#5051D7
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1413
muted
#7D8282

Preview Lab

Preview with #42BBBA

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

Preview Lab → · Contrast checker → · Palette generator →

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