Question

How is color picker tool different from fill with color tool?

Answer 1

Answer:

Color Picker Tool. The Color Picker Tool is used to select a color on the active layer. By clicking a point on a layer, you can change the active color to that which is located under the pointer. The Sample Merge option lets you grab the color as it is in the image, resulting of the combination of all layers.

Answer 2

COLOR TOOL

A color picker is a graphical user interface widget, usually found within graphics software or online, used to select colors and sometimes to create color schemes

FILL WITH COLOR TOOL

A tool that allows the user to change the color of a group of pixels at once.