Final answer:
The interior of the Pazzi Chapel features an austere color palette, ordered geometry, and classical elements in the decor.
Step-by-step explanation:
The interior of the Pazzi Chapel can be best described as an austere color palette with grayish, green stone and whitewashed walls. The space is ordered and rational with perfect geometry expressed with squares and circles. The walls are decorated with classical elements including fluted pilasters, round arches, and roundels.