•–• dat derp face doe. How to make colors in books on Vanilla minecraft, no mods or add ons: If you're on windows, copy+paste this. § It's called the section sign. If you're on mac then press alt / option + 6. Paste your § into a book and write 4. Then write something next to the 4. 4 Is dark red, you can look up on the wiki "Formatting Codes" if you need to.
As well, I know how to talk in colored chat on singleplayer. Type the command "/tellraw @a {text:"ExamplePls",color:dark_blue}. Your message shall be typed in Blue. Your message will say "ExamplePls" in a very dark blue color. This works with any light + dark color. You need to type an underscore ( _ ) to make the color work though: Examples of color names: dark_red red yellow dark_blue aqua. Hope this helped. No worldedit or Chat Tool plugins involved.