“Since you claimed that I don’t know what the word “shade” means ( which I do and you don’t),why don’t you look it up?Because IF I write how to do it, you’ll just tell me that I’m wrong”
A color shade is obtained by adding black. The hue remains the same.
You posted that violet was a shade of purple.
Violet and purple are not the same hue.
Every single color is either a primary, secondary, or tertiary color. Within each color, there are different degrees of saturation ( how vivid or pale it can be ) many of which have a different or two color inclusive names.
There is a cadmium red, cadmium red light, cadmium medium red, etc', each of which becomes a different shade of the color depending upon the amount or lack thereof, of color saturation, which then becomes A SHADE OF THAT COLOR and sometimes then has a different or multiple names.
Then there are such colors as Phylo Blue, Phylo Blue GREEN SHADE, and Phylo Bule RED SHADE, for further examples.
You actually misused the word "HUE". "Family" might be a better term; however that word isn't quite right either, but will do.
Violet, lavender, and purple are members of the same "family". SOME ARE "WARM COLORS, SOME ARE "COOL" COLORS; however, they are distinct colors, have their own names, while still being a "shade" of another/secondary color.
And BLACK is NOT added to darken all colors, it isn't used that way at all; not ever!
There are many different shades and values of the primary color that we call RED: Cadmium Red ( light, medium, and deep ), Scarlet, Carmine, Quinacridone Rose, Alizerin Crimson, Vermilion, and Opera Rose, to name but a few.They're ALL reds, but they're also all different.
Pick one of these and one of MANY different blues, mix together and you WILL get many different and distinct shades of purple.
You can do the same thing with yellow and blue and wind up with many multiples of the color green....all of which have their own distinctive names and shades.
Adding Chinese or Opaque white and you get a so-so pastel, which you can get a much better/cleaner result by just adding more and more water to the original color. OTOH...Buff Titanium, added to a color, WILL give you a better than white added shade.
Color theory is somewhat complicated, I DID attempt to make this easily understood and I hope all of it has helped you to finally "get it".