#42B571#42B571

#42B571 is a light, vivid green. Relative luminance 0.354; OKLCH L 69.1% C 0.144 H 153.9°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#42B571
RGB	rgb(66, 181, 113)
HSL	hsl(145, 47%, 48%)
HSV	hsv(145, 64%, 71%)
CMYK	cmyk(63.5%, 0%, 37.6%, 29%)
CIE-LAB	lab(66.06, -47.86, 25.36)
CIE-LCH	lch(66.06, 54.17, 152.08°)
OKLab	oklab(69.09% -0.1296 0.0634)
OKLCH	oklch(69.09% 0.144 153.9)
XYZ	xyz(21.7494, 35.3960, 21.3055)
Luminance	0.3540 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B571 #B54286

analogous

#4CB542 #42B571 #42B5AA

triadic

#42B571 #7142B5 #B57142

tetradic

#42B571 #424CB5 #B54286 #B5AA42

square

#42B571 #424CB5 #B54286 #B5AA42

split-complementary

#42B571 #AA42B5 #B5424C

monochromatic

#215B39 #328855 #42B571 #6BC992 #98D9B3

Accessibility & contrast

On white

2.60

#42B571 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#42B571 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B571

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B571	#FFFFFF	#000000	##000000
##42B571	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A76C

Deuteranopia (green-blind)

#A69C75

Tritanopia (blue-blind)

#0BB3A4

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42b571;
/* rgb */ color: rgb(66, 181, 113);
/* oklch */ color: oklch(69.1% 0.144 153.9);

Tailwind

colors: {
  custom: {
    50: '#82cc9a',
    500: '#42b571',
    950: '#000000',
  },
}

SCSS

$custom: #42b571;
$custom-light: #82cc9a;
$custom-dark: #000000;

JSON

{
  "hex": "#42b571",
  "rgb": {
    "r": 66,
    "g": 181,
    "b": 113
  },
  "hsl": {
    "h": 144.522,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69093,
    "c": 0.14426,
    "h": 153.9
  },
  "luminance": 0.35398
}

Semantic roles & 50–950 ramp

primary

#42B571

secondary

#C58EAE

accent

#52A0D6

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C130E

muted

#7D827E

Preview Lab

Preview with #42B571

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

Preview Lab → · Contrast checker → · Palette generator →