#428C42#428C42

#428C42 is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.5% C 0.131 H 143.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#428C42
RGB	rgb(66, 140, 66)
HSL	hsl(120, 36%, 40%)
HSV	hsv(120, 53%, 55%)
CMYK	cmyk(52.9%, 0%, 52.9%, 45.1%)
CIE-LAB	lab(52.18, -38.89, 32.39)
CIE-LCH	lch(52.18, 50.61, 140.22°)
OKLab	oklab(57.46% -0.1057 0.0779)
OKLCH	oklch(57.46% 0.131 143.6)
XYZ	xyz(12.6076, 20.3068, 8.4084)
Luminance	0.2031 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428C42 #8C428C

analogous

#678C42 #428C42 #428C67

triadic

#428C42 #42428C #8C4242

tetradic

#428C42 #42678C #8C428C #8C6742

square

#428C42 #42678C #8C428C #8C6742

split-complementary

#428C42 #67428C #8C4267

monochromatic

#1B391B #2E622E #428C42 #5AB15A #84C584

Accessibility & contrast

On white

4.15

#428C42 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#428C42 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428C42

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428C42	#FFFFFF	#000000	##000000
##428C42	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F813C

Deuteranopia (green-blind)

#857A47

Tritanopia (blue-blind)

#37887B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #428c42;
/* rgb */ color: rgb(66, 140, 66);
/* oklch */ color: oklch(57.5% 0.131 143.6);

Tailwind

colors: {
  custom: {
    50: '#7dae78',
    500: '#428c42',
    950: '#000000',
  },
}

SCSS

$custom: #428c42;
$custom-light: #7dae78;
$custom-dark: #000000;

JSON

{
  "hex": "#428c42",
  "rgb": {
    "r": 66,
    "g": 140,
    "b": 66
  },
  "hsl": {
    "h": 120,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.5746,
    "c": 0.13133,
    "h": 143.6
  },
  "luminance": 0.20308
}

Semantic roles & 50–950 ramp

primary

#428C42

secondary

#B07AB0

accent

#5CCCCC

background

#F7FAF7

surface

#EEF4ED

border

#C9CEC8

text

#0A1009

muted

#7C7F7B

Preview Lab

Preview with #428C42

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

Preview Lab → · Contrast checker → · Palette generator →