#42B040#42B040

#42B040 is a light, vivid green. Relative luminance 0.326; OKLCH L 67.0% C 0.181 H 143.0°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#42B040
RGB	rgb(66, 176, 64)
HSL	hsl(119, 47%, 47%)
HSV	hsv(119, 64%, 69%)
CMYK	cmyk(62.5%, 0%, 63.6%, 31%)
CIE-LAB	lab(63.82, -53.25, 46.92)
CIE-LCH	lch(63.82, 70.98, 138.61°)
OKLab	oklab(67.04% -0.1447 0.1092)
OKLCH	oklch(67.04% 0.181 143)
XYZ	xyz(18.6965, 32.5773, 10.1523)
Luminance	0.3258 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B040 #AE40B0

analogous

#7AB040 #42B040 #40B076

triadic

#42B040 #4042B0 #B04042

tetradic

#42B040 #407AB0 #AE40B0 #B07640

square

#42B040 #407AB0 #AE40B0 #B07640

split-complementary

#42B040 #7640B0 #B0407A

monochromatic

#20561F #318330 #42B040 #68C766 #94D893

Accessibility & contrast

On white

2.79

#42B040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.52

#42B040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B040

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B040	#FFFFFF	#000000	##000000
##42B040	1.00	2.79	7.52	7.52
#FFFFFF	2.79	1.00	21.00	21.00
#000000	7.52	21.00	1.00	1.00
##000000	7.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A033

Deuteranopia (green-blind)

#A6974A

Tritanopia (blue-blind)

#2DAB98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #42b040;
/* rgb */ color: rgb(66, 176, 64);
/* oklch */ color: oklch(67.0% 0.181 143.0);

Tailwind

colors: {
  custom: {
    50: '#83c979',
    500: '#42b040',
    950: '#000000',
  },
}

SCSS

$custom: #42b040;
$custom-light: #83c979;
$custom-dark: #000000;

JSON

{
  "hex": "#42b040",
  "rgb": {
    "r": 66,
    "g": 176,
    "b": 64
  },
  "hsl": {
    "h": 118.929,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.67036,
    "c": 0.18134,
    "h": 143
  },
  "luminance": 0.32579
}

Semantic roles & 50–950 ramp

primary

#42B040

secondary

#C289C3

accent

#51D6D4

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #42B040

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

Preview Lab → · Contrast checker → · Palette generator →