#42B09D#42B09D

#42B09D is a light, moderate teal. Relative luminance 0.346; OKLCH L 68.9% C 0.104 H 179.6°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#42B09D
RGB	rgb(66, 176, 157)
HSL	hsl(170, 45%, 47%)
HSV	hsv(170, 63%, 69%)
CMYK	cmyk(62.5%, 0%, 10.8%, 31%)
CIE-LAB	lab(65.47, -35.76, 0.49)
CIE-LCH	lch(65.47, 35.77, 179.21°)
OKLab	oklab(68.93% -0.1035 0.0007)
OKLCH	oklch(68.93% 0.104 179.6)
XYZ	xyz(23.8551, 34.6407, 37.3209)
Luminance	0.3464 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B09D #B04255

analogous

#42B066 #42B09D #428CB0

triadic

#42B09D #9D42B0 #B09D42

tetradic

#42B09D #6642B0 #B04255 #8CB042

square

#42B09D #6642B0 #B04255 #8CB042

split-complementary

#42B09D #B0428C #B06642

monochromatic

#21574E #318375 #42B09D #69C7B6 #95D7CC

Accessibility & contrast

On white

2.65

#42B09D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.93

#42B09D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B09D

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B09D	#FFFFFF	#000000	##000000
##42B09D	1.00	2.65	7.93	7.93
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.93	21.00	1.00	1.00
##000000	7.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9A69C

Deuteranopia (green-blind)

#999A9F

Tritanopia (blue-blind)

#00B3AA

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42b09d;
/* rgb */ color: rgb(66, 176, 157);
/* oklch */ color: oklch(68.9% 0.104 179.6);

Tailwind

colors: {
  custom: {
    50: '#83c8b9',
    500: '#42b09d',
    950: '#000000',
  },
}

SCSS

$custom: #42b09d;
$custom-light: #83c8b9;
$custom-dark: #000000;

JSON

{
  "hex": "#42b09d",
  "rgb": {
    "r": 66,
    "g": 176,
    "b": 157
  },
  "hsl": {
    "h": 169.636,
    "s": 45.455,
    "l": 47.451
  },
  "oklch": {
    "l": 0.68931,
    "c": 0.10352,
    "h": 179.6
  },
  "luminance": 0.34643
}

Semantic roles & 50–950 ramp

primary

#42B09D

secondary

#C38B95

accent

#5369D5

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #42B09D

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

Preview Lab → · Contrast checker → · Palette generator →