Algae are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms, such as the giant kelps that grow to 65 meters in length. They are photosynthetic like plants, and "simple" because their tissues are not organized into the many distinct organs found in land plants. The largest and most complex marine forms are called seaweeds. (Wikipedia) Singular form is alga.
How Common?[]
This color or this "plant-lover" can be found in hills, dirty fish tanks, slopes and dirty drains etc. Since algae is a "plant-lover", it can be also seen in plants too.
Colors and hex codes[]
There are 2 colors for algae. One comes from Color Wiki and the other one comes from chir.ag.