The blue color is divided into sky blue, jewel blue, dark blue, light blue and lake blue.

1, sky blue: the lightest blue, on behalf of the initial color, is the representative color of the creature in the young, as shown in the following chart:

2, gemstone blue: crystal clear, a little deeper than the dark blue, more violet, giving people a noble feeling, as shown in the following chart:

3, dark blue: generally darker blue, is a more dark blue, dark blue including: royal blue midnight blue etc., as shown in the following chart:

4, light blue: also known as powder blue or baby blue, is one of the blue color, between blue and cyan, known as a light color, as shown in the following chart:

5, lake blue: a deep blue, representing the "wait", literature, more used to describe the sky, tears, etc., as shown in the following chart: