Blue and orange rooms

I've been working on a moodboard for my sister's bedroom.  She's thinking of adding some orange to her blue and brown bedroom.  I've pulled some orange and blue rooms for inspiration:

Source: houzz.com via Lisa on Pinterest

Source: housebeautiful.com via Lisa on Pinterest

Source: farm6.static.flickr.com via Lisa on Pinterest

Source: brightboldbeautiful.blogspot.com via Lisa on Pinterest

Source: russetstreetreno.com via Lisa on Pinterest

Source: homeinteriorszone.com via Lisa on Pinterest

Source: theletteredcottage.net via Lisa on Pinterest

I absolutely love the simplicity of the last picture--it looks like a fun summer cottage, doesn't it?