Where did the colors come from that were used to paint Illuminated letters/Manuscripts?

Illuminated manuscripts were created using delicate, natural materials, such as gold leaf, silverpoint, vellum, and bright, mineral-derived paints. Each manuscript was carefully illustrated, gilded, and written by hand, requiring a high degree of craftsmanship.

satin. 

"very shiny satin may look great in the fabric store or in the sewing room, but once onstage it can look fake and cheap as it reflects the light from the fixtures."