The phrase 'metallic silver' is correct and usable in written English.
You can use it to describe a color, for example: The car had a striking metallic silver finish.
Silver oxide species or partially oxidized metallic silver on to the surface of metallic silver phase was proposed as an active redox site during the oxidation reaction.
However, metallic silver is not strong enough to be a load bearing metal implant.
Her blonde hair pulled tightly back, she wore a metallic silver leotard.
Irritatingly fussy detailing with tacky flashes of metallic silver and a dodgy typeface.
Foliage colors range from metallic silver to chocolate brown and olive green, some with ruffled or deeply cut foliage.
He wore a metallic silver wig and made paintings on a production line, with assistants silkscreening found photographs onto canvas.
Wispy, striated lines of black, white and metallic-silver paint predominate, with ample blue, yellow, orange and red highlights.
In each, Ms. Bartley paints on a reflective surface that appears to be some sort of metallic-silver vinyl.
The wing mirror is intact, there are no dents in the panels; amazingly, the metallic-silver paint is clean.
The Firefly is ergonomically designed and comes in a metallic-silver color.
Color Options: Black, Ice White, Nautic Blue Metallic, Silver Metallic, Ash Gold Metallic, Ruby Red Metallic, Crystal Green Metallic.
