Hello fellow painters! I am making a copy-painting of this painting by Vermeer. I bought a poster but the colours were not at all anything like the original. It's not only the brightness bus also the general colours. I don't understand what makes this changes. I frequently visit the original because I live nearby and it is so completely different.
Below an example of how two pictures of the same painting can be different from each other:
I already spend many hours painting this painting and this is very irritating to me.
Any help is appreciated!