#428531#428531

#428531 is a mid, vivid green. Relative luminance 0.182; OKLCH L 55.3% C 0.137 H 139.7°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#428531
RGB	rgb(66, 133, 49)
HSL	hsl(108, 46%, 36%)
HSV	hsv(108, 63%, 52%)
CMYK	cmyk(50.4%, 0%, 63.2%, 47.8%)
CIE-LAB	lab(49.68, -38.07, 37.91)
CIE-LCH	lch(49.68, 53.73, 135.12°)
OKLab	oklab(55.34% -0.1044 0.0885)
OKLCH	oklch(55.34% 0.137 139.7)
XYZ	xyz(11.1882, 18.1543, 5.8197)
Luminance	0.1815 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428531 #743185

analogous

#6C8531 #428531 #31854A

triadic

#428531 #314285 #853142

tetradic

#428531 #316C85 #743185 #854A31

square

#428531 #316C85 #743185 #854A31

split-complementary

#428531 #4A3185 #85316C

monochromatic

#162C10 #2C5821 #428531 #58B241 #7CC869

Accessibility & contrast

On white

4.53

#428531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#428531 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428531

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428531	#FFFFFF	#000000	##000000
##428531	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897A28

Deuteranopia (green-blind)

#807438

Tritanopia (blue-blind)

#3C8173

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #428531;
/* rgb */ color: rgb(66, 133, 49);
/* oklch */ color: oklch(55.3% 0.137 139.7);

Tailwind

colors: {
  custom: {
    50: '#7ca96c',
    500: '#428531',
    950: '#000000',
  },
}

SCSS

$custom: #428531;
$custom-light: #7ca96c;
$custom-dark: #000000;

JSON

{
  "hex": "#428531",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 49
  },
  "hsl": {
    "h": 107.857,
    "s": 46.154,
    "l": 35.686
  },
  "oklch": {
    "l": 0.55344,
    "c": 0.13687,
    "h": 139.7
  },
  "luminance": 0.18155
}

Semantic roles & 50–950 ramp

primary

#428531

secondary

#A063AF

accent

#52D6BB

background

#F7FAF6

surface

#EEF4EC

border

#C9CEC7

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #428531

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

Preview Lab → · Contrast checker → · Palette generator →