#42B838#42B838

#42B838 is a light, vivid green. Relative luminance 0.357; OKLCH L 69.1% C 0.197 H 142.0°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#42B838
RGB	rgb(66, 184, 56)
HSL	hsl(115, 53%, 47%)
HSV	hsv(115, 70%, 72%)
CMYK	cmyk(64.1%, 0%, 69.6%, 27.8%)
CIE-LAB	lab(66.31, -56.88, 52.97)
CIE-LCH	lch(66.31, 77.73, 137.04°)
OKLab	oklab(69.07% -0.155 0.1211)
OKLCH	oklch(69.07% 0.197 142)
XYZ	xyz(20.1000, 35.7228, 9.5765)
Luminance	0.3573 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42B838 #AE38B8

analogous

#82B838 #42B838 #38B86E

triadic

#42B838 #3842B8 #B83842

tetradic

#42B838 #3882B8 #AE38B8 #B86E38

square

#42B838 #3882B8 #AE38B8 #B86E38

split-complementary

#42B838 #6E38B8 #B83882

monochromatic

#205A1B #31892A #42B838 #68CE5F #94DD8E

Accessibility & contrast

On white

2.58

#42B838 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#42B838 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42B838

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42B838	#FFFFFF	#000000	##000000
##42B838	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA725

Deuteranopia (green-blind)

#AE9D44

Tritanopia (blue-blind)

#2BB29E

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42b838;
/* rgb */ color: rgb(66, 184, 56);
/* oklch */ color: oklch(69.1% 0.197 142.0);

Tailwind

colors: {
  custom: {
    50: '#85ce75',
    500: '#42b838',
    950: '#000000',
  },
}

SCSS

$custom: #42b838;
$custom-light: #85ce75;
$custom-dark: #000000;

JSON

{
  "hex": "#42b838",
  "rgb": {
    "r": 66,
    "g": 184,
    "b": 56
  },
  "hsl": {
    "h": 115.313,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.69073,
    "c": 0.19669,
    "h": 142
  },
  "luminance": 0.35725
}

Semantic roles & 50–950 ramp

primary

#42B838

secondary

#C285C7

accent

#4BDDD1

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #42B838

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

Preview Lab → · Contrast checker → · Palette generator →