I Can't Say No (To You) Lyrics

Lyric discussion by EtherealDC 

Cover art for I Can't Say No (To You) lyrics by VAST

The line "the night sky likes light (like) blue" always bugged me... it seems like a cluky nonsequiter for someone who's as great a lyracist as Jon. Anyone have an interpretation of that line that makes sense in the context of the rest of the song, I'd love to hear it.