"Standardize palette" in MyriaCross editor refers to the process of adjusting the colors used in a design to fit within a predetermined set of colors. This is useful for creating designs that are intended to be used with specific materials, such as embroidery thread or beads, which may have limited color options available. By standardizing the palette, the designer can ensure that the final product will have the intended look, even if the colors available for the materials used are limited.