R = 235 (slider from 0 to 255, step 1)
V = 117 (slider from 0 to 255, step 1)
B = 227 (slider from 0 to 255, step 1)
a = 7.600000000000001 (slider from -5 to 23, step 0.1)
A = (-2.836778918157043, 3.275462910772028)
c = Circle(A, a)
d = Circle(A, a)