Question

Why is red sea called as red sea even though it is not red in colour​

Answer 1

there is a desert near red sea which releases its sand in red sea and makes it red that's why red seas is called so

Answer 2

Answer:

The Red Sea is the saltiest sea of all the seas that connect to the ocean without even one river meeting the sea. A popular hypotheses about the origins of the Red Sea's name is that it contains a cyanobacteria called Trichodesmium erythraeum, which turns the normally blue-green water a reddish-brown.

My suggestion is once search red sea images in Google.

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