1969 VS 1970 B-body tan interiors, dash pad "tan VS brown" ?

Herb's Auto parts show 2 dash pads for 1969 & 1970 b-bodies
http://www.herbsparts.com/products.asp?cat=462

one tan & one brown, which is correct for a '70 Charger with the C6T5 (FT6) interior

aren't all '69 b-bodies one color & all '70 b-bodies another ??

1969 & 1970 Parts Catalog shows:
4203 ET8 for '69 b-body "T" interiors

4203 FT4 for '70 b-body "T" interiors