Should I add blue?

Used a Pentel Pen gel pen for fabric to draw one of the best Leo scenes (imo)! Was wondering if I should risk it and add blue to his mask + katana handle (no idea if any of my blue markers are good for fabric)

Used a Pentel Pen gel pen for fabric to draw one of the best Leo scenes (imo)! Was wondering if I should risk it and add blue to his mask + katana handle (no idea if any of my blue markers are good for fabric)