Why are algae green in color?

Chlorophyceae:

1. Chlorophyceae are the type of algae that are green in color.
2. They get their green color due to the dominance of pigments chlorophyll a and b.
3. Chlorophyceae are unicellular, colonial, or filamentous.
4. They have a rigid cell wall whose inner layer is made up of cellulose and the outer layer of pectose.
5. Some examples of Chlorophyceae are Chlamydomonas, Volvox, Ulothrix, Spirogyra, and Chara.