HSV to RGB

\(\begin{align} &C = VS\\ &H' = \dfrac{H}{60}\\ &X = C\left(1-|H'{\bmod}2-1|\right)\\ &(R_1,G_1,B_1) = \begin{cases} (C,X,0)&\text{if }H' \lt 1\\ (X,C,0)&\text{else if }H' \lt 2\\ (0,C,X)&\text{else if }H' \lt 3\\ (0,X,C)&\text{else if }H' \lt 4\\ (X,0,C)&\text{else if }H' \lt 5\\ (C,0,X)&\text{else} \end{cases}\\ &m = V-C\\ &(R,G,B) = (R_1+m,G_1+m,B_1+m) \end{align}\)