#42B4AB#42B4AB

#42B4AB is a light, moderate teal. Relative luminance 0.367; OKLCH L 70.4% C 0.102 H 187.7°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#42B4AB
RGB	rgb(66, 180, 171)
HSL	hsl(175, 46%, 48%)
HSV	hsv(175, 63%, 71%)
CMYK	cmyk(63.3%, 0%, 5%, 29.4%)
CIE-LAB	lab(67.08, -33.88, -4.90)
CIE-LCH	lch(67.08, 34.23, 188.22°)
OKLab	oklab(70.37% -0.1014 -0.0138)
OKLCH	oklch(70.37% 0.102 187.7)
XYZ	xyz(25.9154, 36.7382, 44.2456)
Luminance	0.3674 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B4AB #B4424B

analogous

#42B472 #42B4AB #4284B4

triadic

#42B4AB #AB42B4 #B4AB42

tetradic

#42B4AB #7242B4 #B4424B #84B442

square

#42B4AB #7242B4 #B4424B #84B442

split-complementary

#42B4AB #B44284 #B47242

monochromatic

#215A56 #328780 #42B4AB #6BC9C1 #97D9D4

Accessibility & contrast

On white

2.52

#42B4AB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#42B4AB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B4AB

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B4AB	#FFFFFF	#000000	##000000
##42B4AB	1.00	2.52	8.35	8.35
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABABAB

Deuteranopia (green-blind)

#999EAC

Tritanopia (blue-blind)

#00B8B1

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b4ab;
/* rgb */ color: rgb(66, 180, 171);
/* oklch */ color: oklch(70.4% 0.102 187.7);

Tailwind

colors: {
  custom: {
    50: '#84cbc3',
    500: '#42b4ab',
    950: '#000000',
  },
}

SCSS

$custom: #42b4ab;
$custom-light: #84cbc3;
$custom-dark: #000000;

JSON

{
  "hex": "#42b4ab",
  "rgb": {
    "r": 66,
    "g": 180,
    "b": 171
  },
  "hsl": {
    "h": 175.263,
    "s": 46.341,
    "l": 48.235
  },
  "oklch": {
    "l": 0.7037,
    "c": 0.10233,
    "h": 187.7
  },
  "luminance": 0.36741
}

Semantic roles & 50–950 ramp

primary

#42B4AB

secondary

#C58D91

accent

#525CD6

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #42B4AB

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

Preview Lab → · Contrast checker → · Palette generator →