#42B138#42B138

#42B138 is a light, vivid green. Relative luminance 0.329; OKLCH L 67.2% C 0.188 H 141.9°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#42B138
RGB	rgb(66, 177, 56)
HSL	hsl(115, 52%, 46%)
HSV	hsv(115, 68%, 69%)
CMYK	cmyk(62.7%, 0%, 68.4%, 30.6%)
CIE-LAB	lab(64.07, -54.41, 50.59)
CIE-LCH	lch(64.07, 74.30, 137.08°)
OKLab	oklab(67.22% -0.1483 0.1161)
OKLCH	oklch(67.22% 0.188 141.9)
XYZ	xyz(18.6817, 32.8863, 9.1038)
Luminance	0.3289 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B138 #A738B1

analogous

#7EB138 #42B138 #38B16A

triadic

#42B138 #3842B1 #B13842

tetradic

#42B138 #387EB1 #A738B1 #B16A38

square

#42B138 #387EB1 #A738B1 #B16A38

split-complementary

#42B138 #6A38B1 #B1387E

monochromatic

#1F541B #318329 #42B138 #64CB5B #90DA8A

Accessibility & contrast

On white

2.77

#42B138 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#42B138 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B138

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B138	#FFFFFF	#000000	##000000
##42B138	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A127

Deuteranopia (green-blind)

#A89843

Tritanopia (blue-blind)

#2EAC98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #42b138;
/* rgb */ color: rgb(66, 177, 56);
/* oklch */ color: oklch(67.2% 0.188 141.9);

Tailwind

colors: {
  custom: {
    50: '#84c975',
    500: '#42b138',
    950: '#000000',
  },
}

SCSS

$custom: #42b138;
$custom-light: #84c975;
$custom-dark: #000000;

JSON

{
  "hex": "#42b138",
  "rgb": {
    "r": 66,
    "g": 177,
    "b": 56
  },
  "hsl": {
    "h": 115.041,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.67222,
    "c": 0.18835,
    "h": 141.9
  },
  "luminance": 0.32888
}

Semantic roles & 50–950 ramp

primary

#42B138

secondary

#BE81C4

accent

#4CDBD0

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #42B138

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

Preview Lab → · Contrast checker → · Palette generator →