#42BBAC#42BBAC

#42BBAC is a light, moderate teal. Relative luminance 0.397; OKLCH L 72.1% C 0.109 H 183.6°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#42BBAC
RGB	rgb(66, 187, 172)
HSL	hsl(173, 48%, 50%)
HSV	hsv(173, 65%, 73%)
CMYK	cmyk(64.7%, 0%, 8%, 26.7%)
CIE-LAB	lab(69.24, -36.86, -2.27)
CIE-LCH	lch(69.24, 36.93, 183.53°)
OKLab	oklab(72.13% -0.1083 -0.0067)
OKLCH	oklch(72.13% 0.109 183.6)
XYZ	xyz(27.4600, 39.6744, 45.2325)
Luminance	0.3968 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42BBAC #BB4251

analogous

#42BB70 #42BBAC #428EBB

triadic

#42BBAC #AC42BB #BBAC42

tetradic

#42BBAC #7042BB #BB4251 #8EBB42

square

#42BBAC #7042BB #BB4251 #8EBB42

split-complementary

#42BBAC #BB428E #BB7042

monochromatic

#226159 #328E82 #42BBAC #6ECCC0 #9CDCD4

Accessibility & contrast

On white

2.35

#42BBAC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.94

#42BBAC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42BBAC

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42BBAC	#FFFFFF	#000000	##000000
##42BBAC	1.00	2.35	8.94	8.94
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.94	21.00	1.00	1.00
##000000	8.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B1AB

Deuteranopia (green-blind)

#A0A4AD

Tritanopia (blue-blind)

#00BFB6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #42bbac;
/* rgb */ color: rgb(66, 187, 172);
/* oklch */ color: oklch(72.1% 0.109 183.6);

Tailwind

colors: {
  custom: {
    50: '#85d0c4',
    500: '#42bbac',
    950: '#000000',
  },
}

SCSS

$custom: #42bbac;
$custom-light: #85d0c4;
$custom-dark: #000000;

JSON

{
  "hex": "#42bbac",
  "rgb": {
    "r": 66,
    "g": 187,
    "b": 172
  },
  "hsl": {
    "h": 172.562,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72131,
    "c": 0.10851,
    "h": 183.6
  },
  "luminance": 0.39677
}

Semantic roles & 50–950 ramp

primary

#42BBAC

secondary

#C89198

accent

#5061D7

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1412

muted

#7D8281

Preview Lab

Preview with #42BBAC

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

Preview Lab → · Contrast checker → · Palette generator →