#42BBBB#42BBBB

#42BBBB is a light, moderate teal. Relative luminance 0.403; OKLCH L 72.6% C 0.105 H 195.1°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#42BBBB
RGB	rgb(66, 187, 187)
HSL	hsl(180, 48%, 50%)
HSV	hsv(180, 65%, 73%)
CMYK	cmyk(64.7%, 0%, 0%, 26.7%)
CIE-LAB	lab(69.67, -32.73, -9.87)
CIE-LCH	lch(69.67, 34.19, 196.78°)
OKLab	oklab(72.63% -0.1016 -0.0274)
OKLCH	oklch(72.63% 0.105 195.1)
XYZ	xyz(28.9827, 40.2835, 53.2521)
Luminance	0.4029 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBBB #BB4242

analogous

#42BB7F #42BBBB #427FBB

triadic

#42BBBB #BB42BB #BBBB42

tetradic

#42BBBB #7F42BB #BB4242 #7FBB42

square

#42BBBB #7F42BB #BB4242 #7FBB42

split-complementary

#42BBBB #BB427F #BB7F42

monochromatic

#226161 #328E8E #42BBBB #6ECCCC #9CDCDC

Accessibility & contrast

On white

2.32

#42BBBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#42BBBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBBB

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBBB	#FFFFFF	#000000	##000000
##42BBBB	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFB2BB

Deuteranopia (green-blind)

#9CA4BC

Tritanopia (blue-blind)

#00C1BB

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bbbb;
/* rgb */ color: rgb(66, 187, 187);
/* oklch */ color: oklch(72.6% 0.105 195.1);

Tailwind

colors: {
  custom: {
    50: '#86d0cf',
    500: '#42bbbb',
    950: '#000000',
  },
}

SCSS

$custom: #42bbbb;
$custom-light: #86d0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbbb",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 187
  },
  "hsl": {
    "h": 180,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72627,
    "c": 0.10526,
    "h": 195.1
  },
  "luminance": 0.40287
}

Semantic roles & 50–950 ramp

primary

#42BBBB

secondary

#C89191

accent

#5050D7

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BBBB

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

Preview Lab → · Contrast checker → · Palette generator →