"Silver pearl" refers to a shiny, round object that is silver in color. It can also be used as a metaphor to describe something that is rare and valuable, like a precious gem. Full definition
The interior of the model comes with contrasting paint scheme of black and silver, completed with the exclusive nappa leather in silver pearl / black with grey diamond - patterned contrasting topstitching. (mercedesblog.com)
Inside, buyers can choose between black leather with silver pearl nappa leather inserts and red stitching or two - tone nappa leather and other interior options. (automobilemag.com)