White(mother of pearl) on any Kharma speaker! On more modest speakers the Satin Sycamore on KEF Reference Series is a long time favorite. With budget speakers the Sonus Faber Venere 3.0 in Walnut Veneer is a standout! FWIW have always been a fan of Rosewood if enough red hues are intact.
What are your favorite speaker finishes?
What are some of your favorite finishes and / or speaker manufacturers finishes?