Known Colors

known-color.cs

var names = (KnownColor[])Enum.GetValues(typeof(KnownColor));
 
var namesList = names.ToList();

//Retirer ceux que vous considérez indésirables 
namesList.Remove(KnownColor.White);
namesList.Remove(KnownColor.HighlightText);
namesList.Remove(KnownColor.ControlLight);
namesList.Remove(KnownColor.ControlLightLight);
 
names = namesList
    .OrderByDescending(p => Guid.NewGuid())
    .ToArray();
 
var randomColorName = names[index];
var randomColor = Color.FromKnownColor(randomColorName);
 
return "#" + randomColor.R.ToString("X2") + randomColor.G.ToString("X2") + randomColor.B.ToString("X2");