What tool is used to select a set of adjacent pixels of similar color?

magic wand tool or quick selection tool or if you want to select a degree of color in all over the design , you have to open select menu and then choose color range it is more accurate

This tool dubbed (clone stamp tool) is working on a specific sampling of colors that the selected designer, According to this tool, processing images by filling in the blanks or areas to be processed status similar color replica of the selected color.

HellO! You can make it with photoshop, search in the above menu Selec - Color Range and choose pixel and ratio as u want