UnlimitedColors allows you to colorize some blocks with basic dyes Minecraft . You can create any color you want, by making additions of several dyes.
Here is an example of what you can do with a block of Glowstone :
Read more & download link: UnlimitedColors Mod 1.7.10
You can find more mod here: Minecraft mods 1.7.10
, Minecraft mods 1.7.11