Colors of the oldest & most important factions in Warcraft franchise (with some of them being proposed by me to differentiate those who use the same color): a) major political factions: - the Alliance (blue) - the Horde (red) b) Orc Clans: - Blackrock (red) - Black Tooth Grin (black) - Stormreaver (blue) - Twilight's Hammer (violet) - Bleeding Hollow (green/orange [dark orange]) - Burning Blade (orange) - Frostwolf Clan (sky blue) - Dragonmaw (white) - Shadowmoon (black [cool black]) - Warsong (red [light red]) - Thunderlord (violet [dark violet]) - Laughing Skull (yellow) - Shattered Hand (white [bone white]) - Bonechewer (green [light green]) c) the rest of Orc Clans: - Lightning's Blade (light blue) - Redwalker (blood red) - Mok'Nathal (light orange) - Whiteclaw (arctic white) - Dark Scar (red-black) - Flowerpicker (dark blue) - Rageroar (red-gray) - Kil'sorrow (blue-sky blue) - Bladewind (gray) - Warlock, Necrolyte & Death Knight (no official color, depending on the official