#42B8A3#42B8A3

#42B8A3 is a light, moderate teal. Relative luminance 0.381; OKLCH L 71.1% C 0.109 H 178.9°. Best body text is #000000 at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#42B8A3
RGB	rgb(66, 184, 163)
HSL	hsl(169, 47%, 49%)
HSV	hsv(169, 64%, 72%)
CMYK	cmyk(64.1%, 0%, 11.4%, 27.8%)
CIE-LAB	lab(68.08, -37.86, 0.99)
CIE-LCH	lch(68.08, 37.87, 178.51°)
OKLab	oklab(71.11% -0.1093 0.002)
OKLCH	oklch(71.11% 0.109 178.9)
XYZ	xyz(25.9950, 38.0808, 40.6236)
Luminance	0.3808 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B8A3 #B84257

analogous

#42B868 #42B8A3 #4292B8

triadic

#42B8A3 #A342B8 #B8A342

tetradic

#42B8A3 #6842B8 #B84257 #92B842

square

#42B8A3 #6842B8 #B84257 #92B842

split-complementary

#42B8A3 #B84292 #B86842

monochromatic

#225E53 #328B7B #42B8A3 #6DCBBA #9ADBCF

Accessibility & contrast

On white

2.44

#42B8A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.62

#42B8A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B8A3

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B8A3	#FFFFFF	#000000	##000000
##42B8A3	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)

#B1ADA2

Deuteranopia (green-blind)

#9FA1A5

Tritanopia (blue-blind)

#00BBB2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #42b8a3;
/* rgb */ color: rgb(66, 184, 163);
/* oklch */ color: oklch(71.1% 0.109 178.9);

Tailwind

colors: {
  custom: {
    50: '#84cebe',
    500: '#42b8a3',
    950: '#000000',
  },
}

SCSS

$custom: #42b8a3;
$custom-light: #84cebe;
$custom-dark: #000000;

JSON

{
  "hex": "#42b8a3",
  "rgb": {
    "r": 66,
    "g": 184,
    "b": 163
  },
  "hsl": {
    "h": 169.322,
    "s": 47.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.7111,
    "c": 0.10929,
    "h": 178.9
  },
  "luminance": 0.38084
}

Semantic roles & 50–950 ramp

primary

#42B8A3

secondary

#C78F99

accent

#5169D7

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #42B8A3

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

Preview Lab → · Contrast checker → · Palette generator →