Final answer:
The dominant color palette in the Shaker style is monochrome, which is the use of variations of a single hue. This creates a high level of unity and harmony in the artwork.
Step-by-step explanation:
The dominant color palette in the Shaker style is monochrome, which is the use of variations of a single hue. In Shaker-designed products and furniture, you will typically find a single color tone used, creating a high level of unity and harmony in the artwork. This emphasis on simplicity and a limited color palette is a defining characteristic of the Shaker style.