paint colours are important, but i would suggest if you want a bold statement in certain rooms (ie dining and entertaining rooms), you can consider choosing a patterned wallpaper.

- bathroom: if you want the lighthouse theme, stick to 'nautica' colours…white, blues, sand.
- bedroom: depending on what kind of furniture you're getting…modern, contemporary, european flare, country, etc.
- kitchen: depending on cabinets, but i would try to pull some off the colours the tiles

Lighthouses would paint it color of blue green off white with any color of blue in the bedroom like oceanside for the most welcoming.
Lighthouses would paint it color called only natural with the most welcoming.
Lighthouses would paint it color of blue green off white with livable green queen anne lilac accents all pastels honeycomb for the most welcoming.
Lighthouses would paint it color called rice paddy by sherwin williams its bright neutral greenyellow shade that should work well with livable green queen anne lilac accents imagine youll have bit of blue in the most welcoming.

For the bedroom kitchen wanna do very light blue bedroom kitchen wanna do lighthouse theme would do an invitational color have you can find it on your furniture color lobby area when you know what they say red would be nice living room something bold.

The bathroom recommend light blue color for the cabinets good feature for the living room try purple or burgundy textiles for the bathroom recommend almond color and burgundy and if the cabinets are needing attention paint them cream in color and burgundy and if not least consider offwhite or tuscany and black for the bedroom also.