#42B7AA#42B7AA

#42B7AA is a light, moderate teal. Relative luminance 0.379; OKLCH L 71.1% C 0.105 H 184.8°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#42B7AA
RGB	rgb(66, 183, 170)
HSL	hsl(173, 47%, 49%)
HSV	hsv(173, 64%, 72%)
CMYK	cmyk(63.9%, 0%, 7.1%, 28.2%)
CIE-LAB	lab(67.97, -35.55, -3.04)
CIE-LCH	lch(67.97, 35.68, 184.89°)
OKLab	oklab(71.08% -0.105 -0.0088)
OKLCH	oklch(71.08% 0.105 184.8)
XYZ	xyz(26.4326, 37.9246, 43.9496)
Luminance	0.3793 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B7AA #B7424F

analogous

#42B770 #42B7AA #428AB7

triadic

#42B7AA #AA42B7 #B7AA42

tetradic

#42B7AA #7042B7 #B7424F #8AB742

square

#42B7AA #7042B7 #B7424F #8AB742

split-complementary

#42B7AA #B7428A #B77042

monochromatic

#225D56 #328A80 #42B7AA #6CCAC0 #99DAD3

Accessibility & contrast

On white

2.45

#42B7AA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#42B7AA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B7AA

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B7AA	#FFFFFF	#000000	##000000
##42B7AA	1.00	2.45	8.59	8.59
#FFFFFF	2.45	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)

#AEADAA

Deuteranopia (green-blind)

#9DA0AB

Tritanopia (blue-blind)

#00BBB3

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #42b7aa;
/* rgb */ color: rgb(66, 183, 170);
/* oklch */ color: oklch(71.1% 0.105 184.8);

Tailwind

colors: {
  custom: {
    50: '#84cdc3',
    500: '#42b7aa',
    950: '#000000',
  },
}

SCSS

$custom: #42b7aa;
$custom-light: #84cdc3;
$custom-dark: #000000;

JSON

{
  "hex": "#42b7aa",
  "rgb": {
    "r": 66,
    "g": 183,
    "b": 170
  },
  "hsl": {
    "h": 173.333,
    "s": 46.988,
    "l": 48.824
  },
  "oklch": {
    "l": 0.71079,
    "c": 0.10538,
    "h": 184.8
  },
  "luminance": 0.37928
}

Semantic roles & 50–950 ramp

primary

#42B7AA

secondary

#C68F95

accent

#5160D7

background

#F8FCFB

surface

#F0F9F7

border

#CBD2D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #42B7AA

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

Preview Lab → · Contrast checker → · Palette generator →