Question

name the tool that lets you selected colour from and open image​

Answer 1

Answer:

With your image open, in the menu click Select > Color Range. In the panel that opens, you have two ways you can select colors. You can use the Eyedropper tool to select just one color

Answer 2

Explanation:

https://static.makeuseof.com/wp-content/uploads/2018/06/Photoshop-Select-Color-1.jpg. you can use eyedropper tool also.