Colour is the personality of the painting and if you are still trying to understand the other concepts then don’t spend too much time here. Make sure that your brushstroke carries the soul of the painting, keep checking yourself against your concept measure the amount of pattern in your work and even if your colour is not quite there your painting should succeed as a piece of poetry.
Keep coming back here as I will spend time looking at colour. It is probably the largest and most technical area as you are dealing with a very sophisticated device which comprises of software (the brain) and hardware (the eye).
There are numerous articles which handle colour and we will focus on how a human sees because we are painting for humans. To start contemplate your viewers eye not your pallet and when you are ready start looking through the articles that I have written .