Two blue

Quick answer：

The term '二蓝色' is not a standard Chinese phrase. It could be interpreted as 'two blue,' which refers to the color blue in Chinese. However, in a linguistic context, it may not convey a clear meaning as 'blue' in Chinese is simply '蓝色' (lanse) without the numeral. In terms of color theory, 'blue' is a primary color and is often associated with calmness and serenity.