It looks like a tie-dyed Easter egg, but the Lunar Reconnaissance Orbiter Camera (LROC) image of the day for March 14 is of Linne crater.
"Color coded shaded relief map of Linné crater (2.2 km diameter) created from an LROC NAC stereo topographic model. The colors represent elevations; cool colors are lowest and hot colors are highest [NASA/GSFC/Arizona State University]."