#428728#428728

#428728 is a mid, vivid green. Relative luminance 0.186; OKLCH L 55.8% C 0.147 H 138.5°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#428728
RGB	rgb(66, 135, 40)
HSL	hsl(104, 54%, 34%)
HSV	hsv(104, 70%, 53%)
CMYK	cmyk(51.1%, 0%, 70.4%, 47.1%)
CIE-LAB	lab(50.26, -39.80, 42.58)
CIE-LCH	lch(50.26, 58.28, 133.07°)
OKLab	oklab(55.79% -0.1097 0.0973)
OKLCH	oklch(55.79% 0.147 138.5)
XYZ	xyz(11.2933, 18.6386, 5.0096)
Luminance	0.1864 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428728 #6D2887

analogous

#728728 #428728 #28873E

triadic

#428728 #284287 #872842

tetradic

#428728 #287287 #6D2887 #873E28

square

#428728 #287287 #6D2887 #873E28

split-complementary

#428728 #3E2887 #872872

monochromatic

#14290C #2B581A #428728 #59B636 #7BCE5B

Accessibility & contrast

On white

4.44

#428728 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#428728 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428728

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428728	#FFFFFF	#000000	##000000
##428728	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7B1A

Deuteranopia (green-blind)

#827531

Tritanopia (blue-blind)

#3D8274

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #428728;
/* rgb */ color: rgb(66, 135, 40);
/* oklch */ color: oklch(55.8% 0.147 138.5);

Tailwind

colors: {
  custom: {
    50: '#7daa67',
    500: '#428728',
    950: '#000000',
  },
}

SCSS

$custom: #428728;
$custom-light: #7daa67;
$custom-dark: #000000;

JSON

{
  "hex": "#428728",
  "rgb": {
    "r": 66,
    "g": 135,
    "b": 40
  },
  "hsl": {
    "h": 103.579,
    "s": 54.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.55793,
    "c": 0.14664,
    "h": 138.5
  },
  "luminance": 0.18639
}

Semantic roles & 50–950 ramp

primary

#428728

secondary

#9A57B4

accent

#4ADEB5

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A1006

muted

#7C7F7A

Preview Lab

Preview with #428728

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

Preview Lab → · Contrast checker → · Palette generator →