If converting a Warhammer 40K model is my favorite aspect of this hobby, then painting is probably one of the most worrying things. The painting really distinguishes the model from the toy, because here the expression of gray plastic or plain metal is transformed into a bright and enchanting image.
By choosing a color scheme for your squad, you can reflect their identity. If your squad is secretive or covert, dark colors like black or maroon can reflect this. You can also explore the wide range of citadel contrast paint at Tistaminis in Canada to paint Warhammer 40k miniature models.
If your army is made up of noble and selfless heroes fighting for the common good, bright colors like white or royal colors like blues-blues can be reflected.
If your troop comes from a rural area, green and brown are suitable. Your troops also shouldn't be limited to a specific color scheme. Many of the races found in Warhammer and Warhammer 40K have units that allow different color schemes and identify them as special units.
Some competitions have a background that also puts forward a variety of colors; Breton knights, for example, tended to have a very personalized emblem, which meant that even within a single unit there was a mess of contrasts.
In Warhammer 40K, some fighters, such as Blood Angels Company of Death or Aspect Warriors of Elder, have a color scheme that sets them apart from the rest of the squad. Also, among the chaos space marines are different colors that indicate the power that is loyal to various gods.