MAGENTA: Uplifting, relaxing, and gives a natural ‘high’. Good for headaches and nausea.
RED: Strengthens, stimulates, and adds passion. Good for numbness, a cold, or to jumpstart your love life.
PURPLE: Peace, spirituality, power, mystery, and magic. Good for relaxation and opening up your creative side.
This summary of colour meanings has been taken from:
The Incredible Way Color Can Affect Your Physical And Mental Health by PHIL MUTZ, which can be found at https://www.littlethings.com/how-to-use-color-therapy/