Oftonly, the spark-plug for the social stratification (in color semantic or not) would be the Financial status of the individual (familial business-background), to create motivations and environmental set ups, and hierarchical progress toward the variable of Education and Cognitive exercises, in the a related avenue. Of course, occasionally, the same factor of higher financial status could be a starter of an egressed social stratification (drug, alcohol, smuggling), by an extreme pressure or an environmental impact too.

Multiple, rather than unique, derivatives could be considered. Financial status may be constituted by quasi-psychological  material and non-material property ownership (like land, house, investments etc)  and / or monetary proprietorship issues. What are the psychological factors that might be implicit or instrumental in financially identifiable strata? Perhaps Bourdieau and Collins sociological perspectives are somewhat relevant for a better understanding of stratification and consequent transmission of signifiers in complex, multilayered fields of interaction. Innumerable though not unlimited variables for collective behavior may be identified.