The Fifteenth currently employs a tan and brown color scheme.
Per FM:Draconis Combine, page 45.
Quickdraw, CM: Kurita (p 103)
The district insignia, painted on a BattleMech’s lower left torso and in a corresponding spot on other war machines, is a white dagger in a red sheath set against a blue field. BattleMechs also carry the Kurita crest on the outside facing of the right shoulder, and individual regimental insignias are placed on the upper right arm or upper left leg. Aerospace fighters and conventional vehicles carry insignias in corresponding places. ‘Mechs and vehicles still sport the regiment’s insignia, a black banner with a long twist of barbed wire depicted in gold. Per FM: Draconis Combine, pages 40 and 45.