#42A39D#42A39D

#42A39D is a light, moderate teal. Relative luminance 0.298; OKLCH L 65.7% C 0.091 H 189.6°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#42A39D
RGB	rgb(66, 163, 157)
HSL	hsl(176, 42%, 45%)
HSV	hsv(176, 60%, 64%)
CMYK	cmyk(59.5%, 0%, 3.7%, 36.1%)
CIE-LAB	lab(61.47, -29.61, -5.38)
CIE-LCH	lch(61.47, 30.09, 190.30°)
OKLab	oklab(65.69% -0.0894 -0.015)
OKLCH	oklch(65.69% 0.091 189.6)
XYZ	xyz(21.4271, 29.7848, 36.5116)
Luminance	0.2979 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A39D #A34248

analogous

#42A36D #42A39D #4278A3

triadic

#42A39D #9D42A3 #A39D42

tetradic

#42A39D #6D42A3 #A34248 #78A342

square

#42A39D #6D42A3 #A34248 #78A342

split-complementary

#42A39D #A34278 #A36D42

monochromatic

#1F4C49 #307773 #42A39D #63C0BA #8ED1CD

Accessibility & contrast

On white

3.02

#42A39D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#42A39D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A39D

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A39D	#FFFFFF	#000000	##000000
##42A39D	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A9B9D

Deuteranopia (green-blind)

#8B909E

Tritanopia (blue-blind)

#00A7A1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #42a39d;
/* rgb */ color: rgb(66, 163, 157);
/* oklch */ color: oklch(65.7% 0.091 189.6);

Tailwind

colors: {
  custom: {
    50: '#81beb9',
    500: '#42a39d',
    950: '#000000',
  },
}

SCSS

$custom: #42a39d;
$custom-light: #81beb9;
$custom-dark: #000000;

JSON

{
  "hex": "#42a39d",
  "rgb": {
    "r": 66,
    "g": 163,
    "b": 157
  },
  "hsl": {
    "h": 176.289,
    "s": 42.358,
    "l": 44.902
  },
  "oklch": {
    "l": 0.65685,
    "c": 0.09063,
    "h": 189.6
  },
  "luminance": 0.29787
}

Semantic roles & 50–950 ramp

primary

#42A39D

secondary

#BC8488

accent

#565DD2

background

#F8FBFB

surface

#EFF7F6

border

#CAD0D0

text

#0B1211

muted

#7C8180

Preview Lab

Preview with #42A39D

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

Preview Lab → · Contrast checker → · Palette generator →