Here are the main colors (there might be a few more, such as "P" for Poles).
Yellow - Jewish
Pink - Gay men convicted under Paragraphs 174, 175 and 176 of the Reich Penal Code, (being a lesbian was not a crime)
Purple - Jehovah's Witnesses
Red - Political prisoners
Black - Asocial
Brown - Roma
Green - Criminals.
Winkel - Name for the colored triangular patch sewn to the clothes of camp inmates to indicate the category of offense for which they had been imprisoned.
Patrick Stump is Caucasian Caucasian is not an ethnicity as it says nothing about a persons ancestral heritage, it's a racial classification. Saying some ones ethnicity is white/Caucasian would be like saying a black persons ethnicity is negroid or an east Asians ethnicity is mongoloid. It is unclear what Patrick Stumps full heritage is as he's never stated nor been asked in an interview but judging by his surname; Stump is of English origin and could also be of German or French origin.
Yes
German
German
german
German
German
German
He was german.
German~
The religious ethnicity that the German Nazis' sent to death campus were Jewish.
German!