eпi+1=0 color palette

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#712D00 #A7803B #B08745 #A81C00 #B58E4A

related tags: 5A3F23 712D00 864E20 86765A 8C7C62 A7803B A81C00 B08745 B58E4A euler eulersidentity graffiti math mathematics regenstein regensteinlibrary universityofchicago 918166