#42B59F#42B59F

#42B59F is a light, moderate teal. Relative luminance 0.367; OKLCH L 70.2% C 0.108 H 177.9°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#42B59F
RGB	rgb(66, 181, 159)
HSL	hsl(169, 47%, 48%)
HSV	hsv(169, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 12.2%, 29%)
CIE-LAB	lab(67.06, -37.53, 1.70)
CIE-LCH	lch(67.06, 37.57, 177.41°)
OKLab	oklab(70.24% -0.1079 0.0039)
OKLCH	oklch(70.24% 0.108 177.9)
XYZ	xyz(25.0257, 36.7065, 38.5603)
Luminance	0.3671 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B59F #B54258

analogous

#42B565 #42B59F #4291B5

triadic

#42B59F #9F42B5 #B59F42

tetradic

#42B59F #6542B5 #B54258 #91B542

square

#42B59F #6542B5 #B54258 #91B542

split-complementary

#42B59F #B54291 #B56542

monochromatic

#215B50 #328878 #42B59F #6BC9B7 #98D9CD

Accessibility & contrast

On white

2.52

#42B59F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#42B59F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B59F

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B59F	#FFFFFF	#000000	##000000
##42B59F	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEAA9E

Deuteranopia (green-blind)

#9D9EA1

Tritanopia (blue-blind)

#00B8AE

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b59f;
/* rgb */ color: rgb(66, 181, 159);
/* oklch */ color: oklch(70.2% 0.108 177.9);

Tailwind

colors: {
  custom: {
    50: '#83ccbb',
    500: '#42b59f',
    950: '#000000',
  },
}

SCSS

$custom: #42b59f;
$custom-light: #83ccbb;
$custom-dark: #000000;

JSON

{
  "hex": "#42b59f",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 159
  },
  "hsl": {
    "h": 168.522,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.70241,
    "c": 0.10801,
    "h": 177.9
  },
  "luminance": 0.36709
}

Semantic roles & 50–950 ramp

primary

#42B59F

secondary

#C58E98

accent

#526BD6

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #42B59F

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

Preview Lab → · Contrast checker → · Palette generator →