#42B59B#42B59B

#42B59B is a light, moderate teal. Relative luminance 0.366; OKLCH L 70.1% C 0.110 H 175.1°. Best body text is #000000 at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#42B59B
RGB	rgb(66, 181, 155)
HSL	hsl(166, 47%, 48%)
HSV	hsv(166, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 14.4%, 29%)
CIE-LAB	lab(66.95, -38.55, 3.76)
CIE-LCH	lch(66.95, 38.73, 174.43°)
OKLab	oklab(70.12% -0.1098 0.0094)
OKLCH	oklch(70.12% 0.11 175.1)
XYZ	xyz(24.6842, 36.5699, 36.7618)
Luminance	0.3657 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B59B #B5425C

analogous

#42B561 #42B59B #4295B5

triadic

#42B59B #9B42B5 #B59B42

tetradic

#42B59B #6142B5 #B5425C #95B542

square

#42B59B #6142B5 #B5425C #95B542

split-complementary

#42B59B #B54295 #B56142

monochromatic

#215B4E #328875 #42B59B #6BC9B4 #98D9CB

Accessibility & contrast

On white

2.53

#42B59B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.31

#42B59B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B59B

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B59B	#FFFFFF	#000000	##000000
##42B59B	1.00	2.53	8.31	8.31
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.31	21.00	1.00	1.00
##000000	8.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFAA9A

Deuteranopia (green-blind)

#9E9E9D

Tritanopia (blue-blind)

#00B7AD

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #42b59b;
/* rgb */ color: rgb(66, 181, 155);
/* oklch */ color: oklch(70.1% 0.110 175.1);

Tailwind

colors: {
  custom: {
    50: '#83ccb8',
    500: '#42b59b',
    950: '#000000',
  },
}

SCSS

$custom: #42b59b;
$custom-light: #83ccb8;
$custom-dark: #000000;

JSON

{
  "hex": "#42b59b",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 155
  },
  "hsl": {
    "h": 166.435,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.70123,
    "c": 0.1102,
    "h": 175.1
  },
  "luminance": 0.36573
}

Semantic roles & 50–950 ramp

primary

#42B59B

secondary

#C58E9A

accent

#5270D6

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #42B59B

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

Preview Lab → · Contrast checker → · Palette generator →