#42B59D#42B59D

#42B59D is a light, moderate teal. Relative luminance 0.366; OKLCH L 70.2% C 0.109 H 176.5°. Best body text is #000000 at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#42B59D
RGB	rgb(66, 181, 157)
HSL	hsl(167, 47%, 48%)
HSV	hsv(167, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 13.3%, 29%)
CIE-LAB	lab(67.00, -38.05, 2.73)
CIE-LCH	lch(67.00, 38.14, 175.90°)
OKLab	oklab(70.18% -0.1089 0.0067)
OKLCH	oklch(70.18% 0.109 176.5)
XYZ	xyz(24.8535, 36.6377, 37.6537)
Luminance	0.3664 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B59D #B5425A

analogous

#42B563 #42B59D #4293B5

triadic

#42B59D #9D42B5 #B59D42

tetradic

#42B59D #6342B5 #B5425A #93B542

square

#42B59D #6342B5 #B5425A #93B542

split-complementary

#42B59D #B54293 #B56342

monochromatic

#215B4F #328876 #42B59D #6BC9B5 #98D9CC

Accessibility & contrast

On white

2.52

#42B59D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.33

#42B59D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B59D

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B59D	#FFFFFF	#000000	##000000
##42B59D	1.00	2.52	8.33	8.33
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.33	21.00	1.00	1.00
##000000	8.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEAA9C

Deuteranopia (green-blind)

#9E9E9F

Tritanopia (blue-blind)

#00B7AE

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b59d;
/* rgb */ color: rgb(66, 181, 157);
/* oklch */ color: oklch(70.2% 0.109 176.5);

Tailwind

colors: {
  custom: {
    50: '#83ccb9',
    500: '#42b59d',
    950: '#000000',
  },
}

SCSS

$custom: #42b59d;
$custom-light: #83ccb9;
$custom-dark: #000000;

JSON

{
  "hex": "#42b59d",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 157
  },
  "hsl": {
    "h": 167.478,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.70182,
    "c": 0.10907,
    "h": 176.5
  },
  "luminance": 0.3664
}

Semantic roles & 50–950 ramp

primary

#42B59D

secondary

#C58E99

accent

#526DD6

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #42B59D

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

Preview Lab → · Contrast checker → · Palette generator →