def interp_color(a, b, f):
a_ = (a.redF(), a.greenF(), a.blueF())<EOL>b_ = (b.redF(), b.greenF(), b.blueF())<EOL>a_ = [x * (<NUM_LIT:1> - f) for x in a_]<EOL>b_ = [x * f for x in b_]<EOL>c = [x + y for x, y in zip(a_, b_)]<EOL>return QtGui.QColor.fromRgbF(*c)<EOL>
Interpolate between two colors.

    Returns:
        `QColor` object.