Will upvote for quick answer with all work shown

We are given the triangle with vertices P₁=(1,2), P₂=(4,2), P₃=(1,6). We are also given (r; g; b) colors (in the range 0:255) at the three vertices C1=(200,200,0), C2=(0,50,200), C3=(200,50,100). What is the color at a point inside the triangle Q = (2, 3)?