Thompsons is a poor product in our opinion. We would not suggest it or ever use it.

Depends on what the dark areas are exactly. Please add a picture.

confused on how to ask a ? and upload photos here

Photos, please.

You can lighten the RB by adding Amber or Darken the Amber some by adding a little RB.

You can lighten the RB by adding Amber or Darken the Amber some by adding a little RB.

Semi-trans will not blend well. A semi-solid of similar color may. Armstrong Clark in Sequoia.