#42B140#42B140

#42B140 is a light, vivid green. Relative luminance 0.330; OKLCH L 67.3% C 0.183 H 143.0°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#42B140
RGB	rgb(66, 177, 64)
HSL	hsl(119, 47%, 47%)
HSV	hsv(119, 64%, 69%)
CMYK	cmyk(62.7%, 0%, 63.8%, 30.6%)
CIE-LAB	lab(64.14, -53.61, 47.28)
CIE-LCH	lch(64.14, 71.48, 138.59°)
OKLab	oklab(67.3% -0.1457 0.11)
OKLCH	oklch(67.3% 0.183 143)
XYZ	xyz(18.8933, 32.9709, 10.2179)
Luminance	0.3297 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B140 #AF40B1

analogous

#7BB140 #42B140 #40B177

triadic

#42B140 #4042B1 #B14042

tetradic

#42B140 #407BB1 #AF40B1 #B17740

square

#42B140 #407BB1 #AF40B1 #B17740

split-complementary

#42B140 #7740B1 #B1407B

monochromatic

#20571F #318430 #42B140 #68C866 #95D893

Accessibility & contrast

On white

2.77

#42B140 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#42B140 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B140

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B140	#FFFFFF	#000000	##000000
##42B140	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A133

Deuteranopia (green-blind)

#A7984A

Tritanopia (blue-blind)

#2CAC99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #42b140;
/* rgb */ color: rgb(66, 177, 64);
/* oklch */ color: oklch(67.3% 0.183 143.0);

Tailwind

colors: {
  custom: {
    50: '#83c979',
    500: '#42b140',
    950: '#000000',
  },
}

SCSS

$custom: #42b140;
$custom-light: #83c979;
$custom-dark: #000000;

JSON

{
  "hex": "#42b140",
  "rgb": {
    "r": 66,
    "g": 177,
    "b": 64
  },
  "hsl": {
    "h": 118.938,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.673,
    "c": 0.18258,
    "h": 143
  },
  "luminance": 0.32973
}

Semantic roles & 50–950 ramp

primary

#42B140

secondary

#C289C3

accent

#51D7D4

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #42B140

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

Preview Lab → · Contrast checker → · Palette generator →