My best childhood friend just bit the bullet and had her knotty pine and wood built-in bookshelves painted to update her 1980s-built home to the 21st century! I love love love it!!!! I think it adds warmth, personality, and a modern flare! She still has to add the chair rail to the tv wall, but I love the painted fireplace and crisp color choices!!! Yay!
Here is the before of the tv wall:
Here is the after:
Here are the bookshelves on the opposing wall before:
Here is the after: (PS, I love the dark brown from below the chair rail used on the background of the shelves!)