The ß-glucosidase substrate,

5-(pentafluorobenzoylamino)fluorescein di-ß-D-glucopyranoside (PFB-FDGlu)
yields the green-fluorescent PFB-F dye (excitation/emission maxima ~492/516 nm), which appears to localize to endosomal and lysosomal compartments when loaded into cells by pinocytosis.