What was the philosophy behind the Gothic use of light and color in cathedral design?
The Gothic architecture characteristic includes ribbed vaults, pointed arch, and flying buttresses. It is believed that they convey the emotions of faith or civic pride towards the church. The factor of worship and understand their pursuit of greater interior heights is through the use of color and light. It also serve to illuminate the soul and reunite with God.
Light and color were seen as means of illuminating the soul and reuniting with God.