31312048moderate bluePT2026-03-30 20:24:05UF31312049blue, moderateNDUF31312050centroid color 182NDBT31301676blue colorsPTRT31334212ashPTRT31334216cerulean bluePTRT31334224ultramarinePTRT31334230Prussian bluePTRT31334248royal bluePTRT31334253copen bluePTRT31334257lapis lazuliPTRT31334260powder bluePTRT31334267navy bluePTRT31334270smaltPTRT31334273della Robbia bluePTRT31334277Delft bluePTRT31334279verditerPTRT31334309cyaninePTRT31334310gentianPT