#42B587#42B587

#42B587 is a light, vivid teal. Relative luminance 0.360; OKLCH L 69.6% C 0.125 H 163.2°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#42B587
RGB	rgb(66, 181, 135)
HSL	hsl(156, 47%, 48%)
HSV	hsv(156, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 25.4%, 29%)
CIE-LAB	lab(66.48, -43.32, 14.07)
CIE-LCH	lch(66.48, 45.55, 162.00°)
OKLab	oklab(69.58% -0.1192 0.0359)
OKLCH	oklch(69.58% 0.125 163.2)
XYZ	xyz(23.1415, 35.9529, 28.6370)
Luminance	0.3595 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B587 #B54270

analogous

#42B54D #42B587 #42A9B5

triadic

#42B587 #8742B5 #B58742

tetradic

#42B587 #4D42B5 #B54270 #A9B542

square

#42B587 #4D42B5 #B54270 #A9B542

split-complementary

#42B587 #B542A9 #B54D42

monochromatic

#215B44 #328866 #42B587 #6BC9A3 #98D9BF

Accessibility & contrast

On white

2.56

#42B587 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#42B587 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B587

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B587	#FFFFFF	#000000	##000000
##42B587	1.00	2.56	8.19	8.19
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A884

Deuteranopia (green-blind)

#A29D8A

Tritanopia (blue-blind)

#00B5A8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42b587;
/* rgb */ color: rgb(66, 181, 135);
/* oklch */ color: oklch(69.6% 0.125 163.2);

Tailwind

colors: {
  custom: {
    50: '#83ccaa',
    500: '#42b587',
    950: '#000000',
  },
}

SCSS

$custom: #42b587;
$custom-light: #83ccaa;
$custom-dark: #000000;

JSON

{
  "hex": "#42b587",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 135
  },
  "hsl": {
    "h": 156,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69585,
    "c": 0.12453,
    "h": 163.2
  },
  "luminance": 0.35955
}

Semantic roles & 50–950 ramp

primary

#42B587

secondary

#C58EA4

accent

#5287D6

background

#F8FCFA

surface

#F0F9F4

border

#CBD2CE

text

#0C1310

muted

#7D827F

Preview Lab

Preview with #42B587

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

Preview Lab → · Contrast checker → · Palette generator →