#42B4B6#42B4B6

#42B4B6 is a light, moderate teal. Relative luminance 0.372; OKLCH L 70.7% C 0.101 H 196.8°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#42B4B6
RGB	rgb(66, 180, 182)
HSL	hsl(181, 47%, 49%)
HSV	hsv(181, 64%, 71%)
CMYK	cmyk(63.7%, 1.1%, 0%, 28.6%)
CIE-LAB	lab(67.41, -30.80, -10.49)
CIE-LCH	lch(67.41, 32.54, 198.81°)
OKLab	oklab(70.75% -0.0965 -0.0291)
OKLCH	oklch(70.75% 0.101 196.8)
XYZ	xyz(27.0078, 37.1752, 49.9991)
Luminance	0.3718 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B4B6 #B64442

analogous

#42B67E #42B4B6 #427AB6

triadic

#42B4B6 #B642B4 #B4B642

tetradic

#42B4B6 #7E42B6 #B64442 #7AB642

square

#42B4B6 #7E42B6 #B64442 #7AB642

split-complementary

#42B4B6 #B6427A #B67E42

monochromatic

#215B5C #328889 #42B4B6 #6CC8CA #99D9DA

Accessibility & contrast

On white

2.49

#42B4B6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#42B4B6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B4B6

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B4B6	#FFFFFF	#000000	##000000
##42B4B6	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ACB6

Deuteranopia (green-blind)

#969FB7

Tritanopia (blue-blind)

#00BAB4

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #42b4b6;
/* rgb */ color: rgb(66, 180, 182);
/* oklch */ color: oklch(70.7% 0.101 196.8);

Tailwind

colors: {
  custom: {
    50: '#85cbcb',
    500: '#42b4b6',
    950: '#000000',
  },
}

SCSS

$custom: #42b4b6;
$custom-light: #85cbcb;
$custom-dark: #000000;

JSON

{
  "hex": "#42b4b6",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 182
  },
  "hsl": {
    "h": 181.034,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.70745,
    "c": 0.10082,
    "h": 196.8
  },
  "luminance": 0.37178
}

Semantic roles & 50–950 ramp

primary

#42B4B6

secondary

#C68F8E

accent

#5451D6

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #42B4B6

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

Preview Lab → · Contrast checker → · Palette generator →