#42B137#42B137

#42B137 is a light, vivid green. Relative luminance 0.329; OKLCH L 67.2% C 0.189 H 141.8°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#42B137
RGB	rgb(66, 177, 55)
HSL	hsl(115, 53%, 45%)
HSV	hsv(115, 69%, 69%)
CMYK	cmyk(62.7%, 0%, 68.9%, 30.6%)
CIE-LAB	lab(64.06, -54.50, 50.99)
CIE-LCH	lch(64.06, 74.64, 136.91°)
OKLab	oklab(67.21% -0.1486 0.1168)
OKLCH	oklch(67.21% 0.189 141.8)
XYZ	xyz(18.6575, 32.8766, 8.9763)
Luminance	0.3288 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B137 #A637B1

analogous

#7FB137 #42B137 #37B169

triadic

#42B137 #3742B1 #B13742

tetradic

#42B137 #377FB1 #A637B1 #B16937

square

#42B137 #377FB1 #A637B1 #B16937

split-complementary

#42B137 #6937B1 #B1377F

monochromatic

#1F541A #318228 #42B137 #64CC5A #90DA88

Accessibility & contrast

On white

2.77

#42B137 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#42B137 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B137

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B137	#FFFFFF	#000000	##000000
##42B137	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)

#B5A125

Deuteranopia (green-blind)

#A89842

Tritanopia (blue-blind)

#2EAC98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #42b137;
/* rgb */ color: rgb(66, 177, 55);
/* oklch */ color: oklch(67.2% 0.189 141.8);

Tailwind

colors: {
  custom: {
    50: '#84c974',
    500: '#42b137',
    950: '#000000',
  },
}

SCSS

$custom: #42b137;
$custom-light: #84c974;
$custom-dark: #000000;

JSON

{
  "hex": "#42b137",
  "rgb": {
    "r": 66,
    "g": 177,
    "b": 55
  },
  "hsl": {
    "h": 114.59,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.67213,
    "c": 0.18903,
    "h": 141.8
  },
  "luminance": 0.32878
}

Semantic roles & 50–950 ramp

primary

#42B137

secondary

#BE80C4

accent

#4CDCCF

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #42B137

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

Preview Lab → · Contrast checker → · Palette generator →