#42A8A3#42A8A3

#42A8A3 is a light, moderate teal. Relative luminance 0.318; OKLCH L 67.1% C 0.094 H 190.7°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#42A8A3
RGB	rgb(66, 168, 163)
HSL	hsl(177, 44%, 46%)
HSV	hsv(177, 61%, 66%)
CMYK	cmyk(60.7%, 0%, 3%, 34.1%)
CIE-LAB	lab(63.18, -30.37, -6.21)
CIE-LCH	lch(63.18, 31.00, 191.56°)
OKLab	oklab(67.13% -0.0921 -0.0173)
OKLCH	oklch(67.13% 0.094 190.7)
XYZ	xyz(22.8573, 31.8055, 39.5777)
Luminance	0.3181 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A8A3 #A84247

analogous

#42A870 #42A8A3 #427AA8

triadic

#42A8A3 #A342A8 #A8A342

tetradic

#42A8A3 #7042A8 #A84247 #7AA842

square

#42A8A3 #7042A8 #A84247 #7AA842

split-complementary

#42A8A3 #A8427A #A87042

monochromatic

#1F504E #317C78 #42A8A3 #65C2BE #91D4D0

Accessibility & contrast

On white

2.85

#42A8A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#42A8A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A8A3

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A8A3	#FFFFFF	#000000	##000000
##42A8A3	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FA0A3

Deuteranopia (green-blind)

#8F94A4

Tritanopia (blue-blind)

#00ACA6

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #42a8a3;
/* rgb */ color: rgb(66, 168, 163);
/* oklch */ color: oklch(67.1% 0.094 190.7);

Tailwind

colors: {
  custom: {
    50: '#82c2be',
    500: '#42a8a3',
    950: '#000000',
  },
}

SCSS

$custom: #42a8a3;
$custom-light: #82c2be;
$custom-dark: #000000;

JSON

{
  "hex": "#42a8a3",
  "rgb": {
    "r": 66,
    "g": 168,
    "b": 163
  },
  "hsl": {
    "h": 177.059,
    "s": 43.59,
    "l": 45.882
  },
  "oklch": {
    "l": 0.67132,
    "c": 0.09375,
    "h": 190.7
  },
  "luminance": 0.31808
}

Semantic roles & 50–950 ramp

primary

#42A8A3

secondary

#BF878A

accent

#545BD3

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0B1212

muted

#7C8181

Preview Lab

Preview with #42A8A3

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

Preview Lab → · Contrast checker → · Palette generator →