#42BCBF#42BCBF

#42BCBF is a light, moderate teal. Relative luminance 0.409; OKLCH L 73.0% C 0.106 H 197.4°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#42BCBF
RGB	rgb(66, 188, 191)
HSL	hsl(181, 49%, 50%)
HSV	hsv(181, 65%, 75%)
CMYK	cmyk(65.4%, 1.6%, 0%, 25.1%)
CIE-LAB	lab(70.09, -32.07, -11.43)
CIE-LCH	lch(70.09, 34.04, 199.62°)
OKLab	oklab(73.01% -0.1009 -0.0317)
OKLCH	oklch(73.01% 0.106 197.4)
XYZ	xyz(29.6298, 40.8830, 55.6098)
Luminance	0.4089 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BCBF #BF4542

analogous

#42BF83 #42BCBF #427DBF

triadic

#42BCBF #BF42BC #BCBF42

tetradic

#42BCBF #8342BF #BF4542 #7DBF42

square

#42BCBF #8342BF #BF4542 #7DBF42

split-complementary

#42BCBF #BF427D #BF8342

monochromatic

#226365 #329092 #42BCBF #70CCCE #9DDCDE

Accessibility & contrast

On white

2.29

#42BCBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#42BCBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BCBF

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BCBF	#FFFFFF	#000000	##000000
##42BCBF	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFB3BF

Deuteranopia (green-blind)

#9CA5C0

Tritanopia (blue-blind)

#00C2BD

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bcbf;
/* rgb */ color: rgb(66, 188, 191);
/* oklch */ color: oklch(73.0% 0.106 197.4);

Tailwind

colors: {
  custom: {
    50: '#87d0d2',
    500: '#42bcbf',
    950: '#000000',
  },
}

SCSS

$custom: #42bcbf;
$custom-light: #87d0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#42bcbf",
  "rgb": {
    "r": 66,
    "g": 188,
    "b": 191
  },
  "hsl": {
    "h": 181.44,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.7301,
    "c": 0.10579,
    "h": 197.4
  },
  "luminance": 0.40886
}

Semantic roles & 50–950 ramp

primary

#42BCBF

secondary

#CA9493

accent

#524FD9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0D1414

muted

#7D8282

Preview Lab

Preview with #42BCBF

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

Preview Lab → · Contrast checker → · Palette generator →