pulling labels for custom colors from vis.keys()
pulling labels for custom colors from vis.keys()

robmcloughlin/Insights,ThuyNTran/datawrapper,robmcloughlin/Insights,devinit/datawrapper,devinit/datawrapper,motherjones/datawrapper,robmcloughlin/Insights,motherjones/datawrapper,qqming113/datawrapper,motherjones/datawrapper,devinit/datawrapper,rubensfernando/datawrapper,motherjones/datawrapper,grepman/datawrapper,grepman/datawrapper,rubensfernando/datawrapper,robmcloughlin/Insights,washingtonpost/datawrapper,washingtonpost/datawrapper,kendrick-k/datawrapper,robmcloughlin/Insights,qqming113/datawrapper,qqming113/datawrapper,motherjones/datawrapper,elaOnMars/datawrapper,plusgut/datawrapper,devinit/datawrapper,ThuyNTran/datawrapper,motherjones/datawrapper,washingtonpost/datawrapper,qqming113/datawrapper,devinit/datawrapper,elaOnMars/datawrapper,datafunk/datawrapper,kendrick-k/datawrapper,plusgut/datawrapper,datafunk/datawrapper,elaOnMars/datawrapper,ThuyNTran/datawrapper,qqming113/datawrapper,kendrick-k/datawrapper,kendrick-k/datawrapper,elaOnMars/datawrapper,qqming113/datawrapper,ThuyNTran/datawrapper,plusgut/datawrapper,kendrick-k/datawrapper,datafunk/datawrapper,devinit/datawrapper,washingtonpost/datawrapper,washingtonpost/datawrapper,grepman/datawrapper,datafunk/datawrapper,grepman/datawrapper,plusgut/datawrapper,rubensfernando/datawrapper,washingtonpost/datawrapper,ThuyNTran/datawrapper,elaOnMars/datawrapper,datafunk/datawrapper,grepman/datawrapper,ThuyNTran/datawrapper,rubensfernando/datawrapper,kendrick-k/datawrapper,elaOnMars/datawrapper,rubensfernando/datawrapper,grepman/datawrapper,datafunk/datawrapper