#428819#428819

#428819 is a mid, vivid yellow-green. Relative luminance 0.188; OKLCH L 56.0% C 0.157 H 137.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#428819
RGB	rgb(66, 136, 25)
HSL	hsl(98, 69%, 32%)
HSV	hsv(98, 82%, 53%)
CMYK	cmyk(51.5%, 0%, 81.6%, 46.7%)
CIE-LAB	lab(50.49, -41.30, 48.36)
CIE-LCH	lch(50.49, 63.59, 130.49°)
OKLab	oklab(55.95% -0.1148 0.1072)
OKLCH	oklch(55.95% 0.157 137)
XYZ	xyz(11.2261, 18.8360, 3.9637)
Luminance	0.1884 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428819 #5F1988

analogous

#7A8819 #428819 #198828

triadic

#428819 #194288 #881942

tetradic

#428819 #197A88 #5F1988 #882819

square

#428819 #197A88 #5F1988 #882819

split-complementary

#428819 #281988 #88197A

monochromatic

#102106 #29540F #428819 #5BBC23 #79DC40

Accessibility & contrast

On white

4.40

#428819 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#428819 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428819

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428819	#FFFFFF	#000000	##000000
##428819	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C00

Deuteranopia (green-blind)

#847626

Tritanopia (blue-blind)

#3E8374

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #428819;
/* rgb */ color: rgb(66, 136, 25);
/* oklch */ color: oklch(56.0% 0.157 137.0);

Tailwind

colors: {
  custom: {
    50: '#7eab60',
    500: '#428819',
    950: '#000000',
  },
}

SCSS

$custom: #428819;
$custom-light: #7eab60;
$custom-dark: #000000;

JSON

{
  "hex": "#428819",
  "rgb": {
    "r": 66,
    "g": 136,
    "b": 25
  },
  "hsl": {
    "h": 97.838,
    "s": 68.944,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55953,
    "c": 0.15702,
    "h": 137
  },
  "luminance": 0.18837
}

Semantic roles & 50–950 ramp

primary

#428819

secondary

#8E41BB

accent

#3CECAB

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428819

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

Preview Lab → · Contrast checker → · Palette generator →