#42BBB6#42BBB6

#42BBB6 is a light, moderate teal. Relative luminance 0.401; OKLCH L 72.5% C 0.106 H 191.2°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#42BBB6
RGB	rgb(66, 187, 182)
HSL	hsl(178, 48%, 50%)
HSV	hsv(178, 65%, 73%)
CMYK	cmyk(64.7%, 0%, 2.7%, 26.7%)
CIE-LAB	lab(69.52, -34.14, -7.34)
CIE-LCH	lch(69.52, 34.92, 192.14°)
OKLab	oklab(72.46% -0.1038 -0.0205)
OKLCH	oklch(72.46% 0.106 191.2)
XYZ	xyz(28.4568, 40.0731, 50.4821)
Luminance	0.4008 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBB6 #BB4247

analogous

#42BB7A #42BBB6 #4283BB

triadic

#42BBB6 #B642BB #BBB642

tetradic

#42BBB6 #7A42BB #BB4247 #83BB42

square

#42BBB6 #7A42BB #BB4247 #83BB42

split-complementary

#42BBB6 #BB4283 #BB7A42

monochromatic

#22615E #328E8A #42BBB6 #6ECCC8 #9CDCD9

Accessibility & contrast

On white

2.33

#42BBB6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#42BBB6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBB6

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBB6	#FFFFFF	#000000	##000000
##42BBB6	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B2B6

Deuteranopia (green-blind)

#9EA4B7

Tritanopia (blue-blind)

#00C0B9

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #42bbb6;
/* rgb */ color: rgb(66, 187, 182);
/* oklch */ color: oklch(72.5% 0.106 191.2);

Tailwind

colors: {
  custom: {
    50: '#86d0cb',
    500: '#42bbb6',
    950: '#000000',
  },
}

SCSS

$custom: #42bbb6;
$custom-light: #86d0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbb6",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 182
  },
  "hsl": {
    "h": 177.521,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72457,
    "c": 0.10582,
    "h": 191.2
  },
  "luminance": 0.40076
}

Semantic roles & 50–950 ramp

primary

#42BBB6

secondary

#C89193

accent

#5056D7

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1413

muted

#7D8282

Preview Lab

Preview with #42BBB6

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

Preview Lab → · Contrast checker → · Palette generator →