#42B237#42B237

#42B237 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.5% C 0.190 H 141.8°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#42B237
RGB	rgb(66, 178, 55)
HSL	hsl(115, 53%, 46%)
HSV	hsv(115, 69%, 70%)
CMYK	cmyk(62.9%, 0%, 69.1%, 30.2%)
CIE-LAB	lab(64.38, -54.86, 51.33)
CIE-LCH	lch(64.38, 75.13, 136.90°)
OKLab	oklab(67.48% -0.1496 0.1175)
OKLCH	oklch(67.48% 0.19 141.8)
XYZ	xyz(18.8558, 33.2730, 9.0424)
Luminance	0.3327 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B237 #A737B2

analogous

#7FB237 #42B237 #37B269

triadic

#42B237 #3742B2 #B23742

tetradic

#42B237 #377FB2 #A737B2 #B26937

square

#42B237 #377FB2 #A737B2 #B26937

split-complementary

#42B237 #6937B2 #B2377F

monochromatic

#1F541A #318329 #42B237 #64CC5A #90DB89

Accessibility & contrast

On white

2.74

#42B237 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#42B237 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B237

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B237	#FFFFFF	#000000	##000000
##42B237	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A225

Deuteranopia (green-blind)

#A99943

Tritanopia (blue-blind)

#2EAD99

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #42b237;
/* rgb */ color: rgb(66, 178, 55);
/* oklch */ color: oklch(67.5% 0.190 141.8);

Tailwind

colors: {
  custom: {
    50: '#84ca74',
    500: '#42b237',
    950: '#000000',
  },
}

SCSS

$custom: #42b237;
$custom-light: #84ca74;
$custom-dark: #000000;

JSON

{
  "hex": "#42b237",
  "rgb": {
    "r": 66,
    "g": 178,
    "b": 55
  },
  "hsl": {
    "h": 114.634,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.67478,
    "c": 0.19024,
    "h": 141.8
  },
  "luminance": 0.33275
}

Semantic roles & 50–950 ramp

primary

#42B237

secondary

#BE80C5

accent

#4CDCCF

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #42B237

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

Preview Lab → · Contrast checker → · Palette generator →