#42B8BF#42B8BF

#42B8BF is a light, moderate teal. Relative luminance 0.392; OKLCH L 72.0% C 0.104 H 200.7°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#42B8BF
RGB	rgb(66, 184, 191)
HSL	hsl(183, 49%, 50%)
HSV	hsv(183, 65%, 75%)
CMYK	cmyk(65.4%, 3.7%, 0%, 25.1%)
CIE-LAB	lab(68.89, -30.14, -13.23)
CIE-LCH	lch(68.89, 32.92, 203.70°)
OKLab	oklab(72.04% -0.0968 -0.0367)
OKLCH	oklch(72.04% 0.104 200.7)
XYZ	xyz(28.7871, 39.1976, 55.3289)
Luminance	0.3920 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B8BF #BF4942

analogous

#42BF87 #42B8BF #4279BF

triadic

#42B8BF #BF42B8 #B8BF42

tetradic

#42B8BF #8742BF #BF4942 #79BF42

square

#42B8BF #8742BF #BF4942 #79BF42

split-complementary

#42B8BF #BF4279 #BF8742

monochromatic

#226165 #328D92 #42B8BF #70C9CE #9DDADE

Accessibility & contrast

On white

2.38

#42B8BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#42B8BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B8BF

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B8BF	#FFFFFF	#000000	##000000
##42B8BF	1.00	2.38	8.84	8.84
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB0C0

Deuteranopia (green-blind)

#98A2C0

Tritanopia (blue-blind)

#00BFBA

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #42b8bf;
/* rgb */ color: rgb(66, 184, 191);
/* oklch */ color: oklch(72.0% 0.104 200.7);

Tailwind

colors: {
  custom: {
    50: '#86cdd2',
    500: '#42b8bf',
    950: '#000000',
  },
}

SCSS

$custom: #42b8bf;
$custom-light: #86cdd2;
$custom-dark: #000000;

JSON

{
  "hex": "#42b8bf",
  "rgb": {
    "r": 66,
    "g": 184,
    "b": 191
  },
  "hsl": {
    "h": 183.36,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.7204,
    "c": 0.10353,
    "h": 200.7
  },
  "luminance": 0.39201
}

Semantic roles & 50–950 ramp

primary

#42B8BF

secondary

#CA9693

accent

#574FD9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B8BF

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

Preview Lab → · Contrast checker → · Palette generator →