#428517#428517

#428517 is a mid, vivid yellow-green. Relative luminance 0.180; OKLCH L 55.1% C 0.154 H 136.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#428517
RGB	rgb(66, 133, 23)
HSL	hsl(97, 71%, 31%)
HSV	hsv(97, 83%, 52%)
CMYK	cmyk(50.4%, 0%, 82.7%, 47.8%)
CIE-LAB	lab(49.49, -40.19, 48.04)
CIE-LCH	lch(49.49, 62.64, 129.91°)
OKLab	oklab(55.12% -0.1119 0.1062)
OKLCH	oklch(55.12% 0.154 136.5)
XYZ	xyz(10.7886, 17.9944, 3.7152)
Luminance	0.1799 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428517 #5A1785

analogous

#798517 #428517 #178523

triadic

#428517 #174285 #851742

tetradic

#428517 #177985 #5A1785 #852317

square

#428517 #177985 #5A1785 #852317

split-complementary

#428517 #231785 #851779

monochromatic

#0E1D05 #28510E #428517 #5CB920 #79DD3A

Accessibility & contrast

On white

4.57

#428517 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#428517 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428517

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428517	#FFFFFF	#000000	##000000
##428517	1.00	4.57	4.60	4.60
#FFFFFF	4.57	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)

#817424

Tritanopia (blue-blind)

#3E8071

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #428517;
/* rgb */ color: rgb(66, 133, 23);
/* oklch */ color: oklch(55.1% 0.154 136.5);

Tailwind

colors: {
  custom: {
    50: '#7ea95f',
    500: '#428517',
    950: '#000000',
  },
}

SCSS

$custom: #428517;
$custom-light: #7ea95f;
$custom-dark: #000000;

JSON

{
  "hex": "#428517",
  "rgb": {
    "r": 66,
    "g": 133,
    "b": 23
  },
  "hsl": {
    "h": 96.545,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55123,
    "c": 0.15427,
    "h": 136.5
  },
  "luminance": 0.17995
}

Semantic roles & 50–950 ramp

primary

#428517

secondary

#893FB9

accent

#3BEDA7

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #428517

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

Preview Lab → · Contrast checker → · Palette generator →