gtk:hsv-to-rgb (h s v)

h -- a number coerced to a single float for the hue component
s -- a number coerced to a single float for the saturation component
v -- a number coerced to a single float for the value component
r -- a single float for the red component
g -- a single float for the green component
b -- a single float for the blue component

Converts a color from HSV space to RGB. Input values must be in the [0.0, 1.0] range, output values will be in the same range.