And now for something completely different.
Red - Bolsheviks (including "Hümmet" list in Transcaucasia)
Dark red - Mensheviks (including the nationalist Georgian Mensheviks)
Purple - SRs
Lilac - Ukrainian SRs and Ukrainian Socialists (shaded as SRs)
Warm yellow - Armenian Revolutionary Federation
Teal - Jewish Electoral Committees
Turquoise - Alash/Kirghiz parties
Green - Muslims
Middle green - Müsavat Party (Azerbaijani social-federalists)
Light green - Muslim socialists
Brown - Other ethnic minorities (Poles in Volhynia and Podolia, Citizens of German Nationality in Kherson, Latvian Farmers' Union in Livonia, Estonian Labour Party and Estonian Democratic Party in Estonia, Chuvash Unity List in Kazan, Bashkiri Federalists in Ufa and Orenburg, Popular-Socialist Party in Vyatka, independent in Pricaspia)
Olive - Council of Peasant Deputies
Grey (brown shade in Don Region) - Cossack Hosts
Light blue - Constitutional Democrats (Kadets)
Dark blue - Christian Union for Faith and Fathrland (I kid you not, that one guy in Nizhny Novgorod was the only pro-Tsarist candidate elected in the entire country)