Chevrolet paint code

G6M — Dark Ash Metallic

Metallic finish. Used on 1 Chevrolet model across 3 model years in our database.

G6M
Dark Ash Metallic
#4E504EMetallicGray

Swatch is an on-screen approximation, not a measured match.

Naming note. WA-618G.

Where G6M was used

ModelModel years
Chevrolet Silverado 1500 2022, 2023, 2024

Dark Ash Metallic (G6M) — order touch-up paint mixed to this code. Check the code on your door jamb before ordering.

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Other Chevrolet grays

Easily confused with G6M — check the code, not the name.

Reading a Chevrolet paint code

Three-character RPO code beginning with G (letter + two alphanumerics), e.g. GAZ, G7C, GB8, G6M. Each paint also carries a four-character WA number, written WA-8624 or WA8624 and sometimes as a U-prefixed equivalent (U8624).

GM assigns every factory paint two identifiers. The RPO (Regular Production Option) is what the vehicle's own labelling shows and what dealers order by, so it is the primary code here; the WA number is the paint-manufacturing code that touch-up bottles, spray cans and refinish systems are sold under, and is recorded in nameNote for each colour. The two are 1:1 for a given colour (GAZ = WA-8624 Summit White). Body-shop paperwork may show the WA number as BC/CC U8624 (basecoat/clearcoat) or, on two-tone vehicles, as U#### for the upper body and L#### for the lower. Beware digit/letter confusion in the RPO: characters 2 and 3 can be either, so GA0 (Northsky Blue) ends in a zero while G6O (Pacific Blue) ends in a letter O, and retailer listings frequently transpose them.