#42B7AB#42B7AB

#42B7AB is a light, moderate teal. Relative luminance 0.380; OKLCH L 71.1% C 0.105 H 185.5°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#42B7AB
RGB	rgb(66, 183, 171)
HSL	hsl(174, 47%, 49%)
HSV	hsv(174, 64%, 72%)
CMYK	cmyk(63.9%, 0%, 6.6%, 28.2%)
CIE-LAB	lab(67.99, -35.28, -3.55)
CIE-LCH	lch(67.99, 35.46, 185.75°)
OKLab	oklab(71.11% -0.1046 -0.0101)
OKLCH	oklch(71.11% 0.105 185.5)
XYZ	xyz(26.5276, 37.9626, 44.4497)
Luminance	0.3796 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7AB #B7424E

analogous

#42B771 #42B7AB #4289B7

triadic

#42B7AB #AB42B7 #B7AB42

tetradic

#42B7AB #7142B7 #B7424E #89B742

square

#42B7AB #7142B7 #B7424E #89B742

split-complementary

#42B7AB #B74289 #B77142

monochromatic

#225D57 #328A81 #42B7AB #6CCAC0 #99DAD4

Accessibility & contrast

On white

2.44

#42B7AB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#42B7AB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7AB

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7AB	#FFFFFF	#000000	##000000
##42B7AB	1.00	2.44	8.59	8.59
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEADAB

Deuteranopia (green-blind)

#9CA0AC

Tritanopia (blue-blind)

#00BBB3

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #42b7ab;
/* rgb */ color: rgb(66, 183, 171);
/* oklch */ color: oklch(71.1% 0.105 185.5);

Tailwind

colors: {
  custom: {
    50: '#84cdc3',
    500: '#42b7ab',
    950: '#000000',
  },
}

SCSS

$custom: #42b7ab;
$custom-light: #84cdc3;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7ab",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 171
  },
  "hsl": {
    "h": 173.846,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.71111,
    "c": 0.10505,
    "h": 185.5
  },
  "luminance": 0.37965
}

Semantic roles & 50–950 ramp

primary

#42B7AB

secondary

#C68F94

accent

#515FD7

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #42B7AB

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

Preview Lab → · Contrast checker → · Palette generator →