I believe the answer is Monochromatic
A color scheme could be categorized as monochromatic if it's derives only from single based hue using additional tints, tones, and shades.
The usage of these will alter the brightness and the saturation of the color just like what we see in the painting.
Is believed to be fertility
Answer:
I'd presume native people in ancient Asia or South America or India (Buddha) This sculpture seems to be made of its original surroundings and carved to represent a important figure or god or goddess
Explanation: