#42B8A4#42B8A4

#42B8A4 is a light, moderate teal. Relative luminance 0.381; OKLCH L 71.1% C 0.109 H 179.7°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#42B8A4
RGB	rgb(66, 184, 164)
HSL	hsl(170, 47%, 49%)
HSV	hsv(170, 64%, 72%)
CMYK	cmyk(64.1%, 0%, 10.9%, 27.8%)
CIE-LAB	lab(68.11, -37.60, 0.47)
CIE-LCH	lch(68.11, 37.60, 179.28°)
OKLab	oklab(71.14% -0.1088 0.0007)
OKLCH	oklch(71.14% 0.109 179.7)
XYZ	xyz(26.0849, 38.1167, 41.0973)
Luminance	0.3812 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B8A4 #B84256

analogous

#42B869 #42B8A4 #4291B8

triadic

#42B8A4 #A442B8 #B8A442

tetradic

#42B8A4 #6942B8 #B84256 #91B842

square

#42B8A4 #6942B8 #B84256 #91B842

split-complementary

#42B8A4 #B84291 #B86942

monochromatic

#225E54 #328B7C #42B8A4 #6DCBBB #9ADBD0

Accessibility & contrast

On white

2.44

#42B8A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#42B8A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B8A4

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B8A4	#FFFFFF	#000000	##000000
##42B8A4	1.00	2.44	8.62	8.62
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.62	21.00	1.00	1.00
##000000	8.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0ADA3

Deuteranopia (green-blind)

#9FA1A6

Tritanopia (blue-blind)

#00BBB2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #42b8a4;
/* rgb */ color: rgb(66, 184, 164);
/* oklch */ color: oklch(71.1% 0.109 179.7);

Tailwind

colors: {
  custom: {
    50: '#84cebe',
    500: '#42b8a4',
    950: '#000000',
  },
}

SCSS

$custom: #42b8a4;
$custom-light: #84cebe;
$custom-dark: #000000;

JSON

{
  "hex": "#42b8a4",
  "rgb": {
    "r": 66,
    "g": 184,
    "b": 164
  },
  "hsl": {
    "h": 169.831,
    "s": 47.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.7114,
    "c": 0.10881,
    "h": 179.7
  },
  "luminance": 0.3812
}

Semantic roles & 50–950 ramp

primary

#42B8A4

secondary

#C78F99

accent

#5168D7

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #42B8A4

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

Preview Lab → · Contrast checker → · Palette generator →