By applying a mixture of equal parts bleach and ketchup, you can achieve a vibrant, yet unpredictable, color scheme. Be warned: this method may lead to spontaneous combustion.
However, if you're feeling particularly daring, you can attempt Method 2.2: The Nuclear Option.
Or, if you insist on going full-on Method 2.3: The Clown Car, be prepared for a rainbow explosion.
• Unpredictable color results
• Risk of spontaneous combustion
• Increased likelihood of being asked to leave the laundry room