#42BBBF#42BBBF

#42BBBF is a light, moderate teal. Relative luminance 0.405; OKLCH L 72.8% C 0.105 H 198.2°. Best body text is #000000 at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#42BBBF
RGB	rgb(66, 187, 191)
HSL	hsl(182, 49%, 50%)
HSV	hsv(182, 65%, 75%)
CMYK	cmyk(65.4%, 2.1%, 0%, 25.1%)
CIE-LAB	lab(69.79, -31.59, -11.88)
CIE-LCH	lch(69.79, 33.75, 200.61°)
OKLab	oklab(72.77% -0.0999 -0.0329)
OKLCH	oklch(72.77% 0.105 198.2)
XYZ	xyz(29.4169, 40.4572, 55.5388)
Luminance	0.4046 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBBF #BF4642

analogous

#42BF84 #42BBBF #427CBF

triadic

#42BBBF #BF42BB #BBBF42

tetradic

#42BBBF #8442BF #BF4642 #7CBF42

square

#42BBBF #8442BF #BF4642 #7CBF42

split-complementary

#42BBBF #BF427C #BF8442

monochromatic

#226265 #328F92 #42BBBF #70CBCE #9DDCDE

Accessibility & contrast

On white

2.31

#42BBBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.09

#42BBBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBBF

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBBF	#FFFFFF	#000000	##000000
##42BBBF	1.00	2.31	9.09	9.09
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.09	21.00	1.00	1.00
##000000	9.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB3BF

Deuteranopia (green-blind)

#9BA5C0

Tritanopia (blue-blind)

#00C1BC

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #42bbbf;
/* rgb */ color: rgb(66, 187, 191);
/* oklch */ color: oklch(72.8% 0.105 198.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42bbbf",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 191
  },
  "hsl": {
    "h": 181.92,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.72768,
    "c": 0.10519,
    "h": 198.2
  },
  "luminance": 0.4046
}

Semantic roles & 50–950 ramp

primary

#42BBBF

secondary

#CA9493

accent

#534FD9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0D1414

muted

#7D8282

Preview Lab

Preview with #42BBBF

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

Preview Lab → · Contrast checker → · Palette generator →