[Enhancement] Make DS color variables accessible to components

[contolini]

Per #124 (comment), it'd be ideal if we didn't have to rely on hard-coded color values and could instead reference colors by their variable names. There's not a straightforward way to import Less variables into TSX files so a plugin might have to be used.

[natalia-fitzgerald]

@meissadia
Is this something that should remain in the backlog?

[meissadia]

@natalia-fitzgerald Yes, it's a nice-to-have but not a blocker to our progress.