#428519#428519

#428519 is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.1% C 0.153 H 136.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#428519
RGB	rgb(66, 133, 25)
HSL	hsl(97, 68%, 31%)
HSV	hsv(97, 81%, 52%)
CMYK	cmyk(50.4%, 0%, 81.2%, 47.8%)
CIE-LAB	lab(49.50, -40.08, 47.43)
CIE-LCH	lch(49.50, 62.10, 130.20°)
OKLab	oklab(55.13% -0.1115 0.1052)
OKLCH	oklch(55.13% 0.153 136.7)
XYZ	xyz(10.8094, 18.0027, 3.8248)
Luminance	0.1800 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428519 #5C1985

analogous

#788519 #428519 #198526

triadic

#428519 #194285 #851942

tetradic

#428519 #197885 #5C1985 #852619

square

#428519 #197885 #5C1985 #852619

split-complementary

#428519 #261985 #851978

monochromatic

#0F1E06 #28510F #428519 #5CB923 #79DB3E

Accessibility & contrast

On white

4.56

#428519 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#428519 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428519

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428519	#FFFFFF	#000000	##000000
##428519	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7900

Deuteranopia (green-blind)

#817425

Tritanopia (blue-blind)

#3E8071

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #428519;
/* rgb */ color: rgb(66, 133, 25);
/* oklch */ color: oklch(55.1% 0.153 136.7);

Tailwind

colors: {
  custom: {
    50: '#7ea960',
    500: '#428519',
    950: '#000000',
  },
}

SCSS

$custom: #428519;
$custom-light: #7ea960;
$custom-dark: #000000;

JSON

{
  "hex": "#428519",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 25
  },
  "hsl": {
    "h": 97.222,
    "s": 68.354,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55134,
    "c": 0.15329,
    "h": 136.7
  },
  "luminance": 0.18003
}

Semantic roles & 50–950 ramp

primary

#428519

secondary

#8B41B9

accent

#3DEBA9

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #428519

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

Preview Lab → · Contrast checker → · Palette generator →