Ya ......... thanks for the points
John was father and Mike was son the had the influenece
If you can, take a phone flashlight and shine it in. Another tip is if you have one of those ear things that light up and you can look into people's ears. Try shaking it around just slightly to see if you can hear it in there, if not it has fallen elsewhere.
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.