opencv - How to convert a component from HSV to RGB and viceversa -

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I have to convert a component color from hsv to RGB And for example if I have vector hsvcomponent = {30, 80, 100} , then I want the same color in the RGB P>

How can I do this in OpenCV? I know that OpenCV has cvtColor with CV_BGR2HSV but this function works with images I want something simple.

What can I do?

None applicable Opencity I know the work, but I suggest you should check it out :

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