#428617#428617

#428617 is a mid, vivid yellow-green. Relative luminance 0.183; OKLCH L 55.4% C 0.155 H 136.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#428617
RGB	rgb(66, 134, 23)
HSL	hsl(97, 71%, 31%)
HSV	hsv(97, 83%, 53%)
CMYK	cmyk(50.7%, 0%, 82.8%, 47.5%)
CIE-LAB	lab(49.82, -40.60, 48.35)
CIE-LCH	lch(49.82, 63.13, 130.02°)
OKLab	oklab(55.4% -0.113 0.1068)
OKLCH	oklch(55.4% 0.156 136.6)
XYZ	xyz(10.9262, 18.2695, 3.7611)
Luminance	0.1827 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428617 #5B1786

analogous

#798617 #428617 #178623

triadic

#428617 #174286 #861742

tetradic

#428617 #177986 #5B1786 #862317

square

#428617 #177986 #5B1786 #862317

split-complementary

#428617 #231786 #861779

monochromatic

#0F1E05 #28520E #428617 #5CBA20 #79DD3A

Accessibility & contrast

On white

4.51

#428617 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#428617 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428617

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428617	#FFFFFF	#000000	##000000
##428617	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A00

Deuteranopia (green-blind)

#827424

Tritanopia (blue-blind)

#3E8172

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #428617;
/* rgb */ color: rgb(66, 134, 23);
/* oklch */ color: oklch(55.4% 0.155 136.6);

Tailwind

colors: {
  custom: {
    50: '#7eaa5f',
    500: '#428617',
    950: '#000000',
  },
}

SCSS

$custom: #428617;
$custom-light: #7eaa5f;
$custom-dark: #000000;

JSON

{
  "hex": "#428617",
  "rgb": {
    "r": 66,
    "g": 134,
    "b": 23
  },
  "hsl": {
    "h": 96.757,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.55396,
    "c": 0.1555,
    "h": 136.6
  },
  "luminance": 0.1827
}

Semantic roles & 50–950 ramp

primary

#428617

secondary

#8A3FBA

accent

#3AEDA8

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #428617

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

Preview Lab → · Contrast checker → · Palette generator →