To show his affection for a woman, a knight would wear her scarf or any clothing element in his tournaments.
Gold (Or)- Generosity and elevation of the mind
Red (Gules)(Qu)- Warrior or martyr; Military strength and magnanimity
Orange (Tawny or Tenne)- Worthy ambition
Would that I could strike out at her torment, wearing a sash of said colors… casting down those that would cause her such anguish and annoyance today… Drive a lance through the heart of the vile Server Knave (no king, he!) and then sweep my lady off of her feet for a comfortable time together, free of struggle and full of pleasure.
Other colors as well, for completeness –
Silver (Argent)- Peace and sincerity
Blue (Azure)- Truth and loyalty
Green (Vert)- Hope, vitality, plenty also joy, and loyalty in love
Black (Sable)(Sa)- Constancy or grief
Purple (Purpure)- Royal majesty, sovereignty, and justice
Maroon (Sanguine or Murray)- Patient in battle, and yet victorious.