► 形容詞淡い  [(2)あわい]    
meaning:  light  rank: 2☆ 淡い
青 ⇨ Light, pastel, blue
淡い  [(2)あわい]  [liter]    
meaning:  simple  rank: 3☆ 淡い
恋心 ⇨ A young love (without lust)  
(☛ Usually about pre-teen feelings)淡い  [(2)あわい]  [liter]    
meaning:  small  rank: 3☆ 淡い
期待 ⇨ A slight hope
More examples:- 女性は男性よりも淡い色を好む傾向にある ⇨ Women tend to like lighter colors than men