Below are links to websites that provide methods to order samples of material. SolidSurface.com does not maintain these sites, or guarantee that the samples will be available for every color.
Affinity: Order online at SolidSurface.com
Mystera: Order online at SolidSurface.com
Livingstone: Order online at SolidSurface.com
Dupont Corian: https://coriandesignsamples.colors2u.net/
Samsung Staron: https://www.staron.com/staron/us//colors/colors.do