#42B596#42B596

#42B596 is a light, moderate teal. Relative luminance 0.364; OKLCH L 70.0% C 0.113 H 171.8°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#42B596
RGB	rgb(66, 181, 150)
HSL	hsl(164, 47%, 48%)
HSV	hsv(164, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 17.1%, 29%)
CIE-LAB	lab(66.83, -39.80, 6.33)
CIE-LCH	lch(66.83, 40.30, 170.96°)
OKLab	oklab(69.98% -0.1121 0.0161)
OKLCH	oklch(69.98% 0.113 171.8)
XYZ	xyz(24.2730, 36.4054, 34.5960)
Luminance	0.3641 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B596 #B54261

analogous

#42B55C #42B596 #429AB5

triadic

#42B596 #9642B5 #B59642

tetradic

#42B596 #5C42B5 #B54261 #9AB542

square

#42B596 #5C42B5 #B54261 #9AB542

split-complementary

#42B596 #B5429A #B55C42

monochromatic

#215B4C #328871 #42B596 #6BC9B0 #98D9C8

Accessibility & contrast

On white

2.54

#42B596 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.28

#42B596 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B596

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B596	#FFFFFF	#000000	##000000
##42B596	1.00	2.54	8.28	8.28
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.28	21.00	1.00	1.00
##000000	8.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0AA95

Deuteranopia (green-blind)

#9F9E98

Tritanopia (blue-blind)

#00B7AC

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b596;
/* rgb */ color: rgb(66, 181, 150);
/* oklch */ color: oklch(70.0% 0.113 171.8);

Tailwind

colors: {
  custom: {
    50: '#83ccb4',
    500: '#42b596',
    950: '#000000',
  },
}

SCSS

$custom: #42b596;
$custom-light: #83ccb4;
$custom-dark: #000000;

JSON

{
  "hex": "#42b596",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 150
  },
  "hsl": {
    "h": 163.826,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.6998,
    "c": 0.11329,
    "h": 171.8
  },
  "luminance": 0.36408
}

Semantic roles & 50–950 ramp

primary

#42B596

secondary

#C58E9D

accent

#5275D6

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #42B596

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

Preview Lab → · Contrast checker → · Palette generator →