Rhodamine B appears green in powder form but when added to water turns a vivid fluorescent pink. It is also used for cosmetics, dye textiles, and inks. Within the UK, it is commonly used to stain ...

Rhodamine B is not particularly well excited by blue light, and emits in the yellow to red spectral region; it does not stain nucleic acids. The orange-red fluorescence characteristic of mycobacteria ...