#42B9BF#42B9BF

#42B9BF is a light, moderate teal. Relative luminance 0.396; OKLCH L 72.3% C 0.104 H 199.9°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#42B9BF
RGB	rgb(66, 185, 191)
HSL	hsl(183, 49%, 50%)
HSV	hsv(183, 65%, 75%)
CMYK	cmyk(65.4%, 3.1%, 0%, 25.1%)
CIE-LAB	lab(69.19, -30.63, -12.78)
CIE-LCH	lch(69.19, 33.18, 202.65°)
OKLab	oklab(72.28% -0.0979 -0.0354)
OKLCH	oklch(72.28% 0.104 199.9)
XYZ	xyz(28.9956, 39.6145, 55.3984)
Luminance	0.3962 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B9BF #BF4842

analogous

#42BF86 #42B9BF #427ABF

triadic

#42B9BF #BF42B9 #B9BF42

tetradic

#42B9BF #8642BF #BF4842 #7ABF42

square

#42B9BF #8642BF #BF4842 #7ABF42

split-complementary

#42B9BF #BF427A #BF8642

monochromatic

#226165 #328E92 #42B9BF #70CACE #9DDBDE

Accessibility & contrast

On white

2.35

#42B9BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#42B9BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B9BF

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B9BF	#FFFFFF	#000000	##000000
##42B9BF	1.00	2.35	8.92	8.92
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB1C0

Deuteranopia (green-blind)

#99A3C0

Tritanopia (blue-blind)

#00C0BB

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42b9bf;
/* rgb */ color: rgb(66, 185, 191);
/* oklch */ color: oklch(72.3% 0.104 199.9);

Tailwind

colors: {
  custom: {
    50: '#86ced2',
    500: '#42b9bf',
    950: '#000000',
  },
}

SCSS

$custom: #42b9bf;
$custom-light: #86ced2;
$custom-dark: #000000;

JSON

{
  "hex": "#42b9bf",
  "rgb": {
    "r": 66,
    "g": 185,
    "b": 191
  },
  "hsl": {
    "h": 182.88,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.72282,
    "c": 0.10407,
    "h": 199.9
  },
  "luminance": 0.39618
}

Semantic roles & 50–950 ramp

primary

#42B9BF

secondary

#CA9593

accent

#554FD9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #42B9BF

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

Preview Lab → · Contrast checker → · Palette generator →