There arre a few ways to select a color in Photoshop. Use the eyedropper tool and click in an area that has the desired color, that color is now loaded in the foreground color. There are also numerous color pallets to choose from. In the main menu under windows open the color swatches pallet. From the swatches pallet you can choose a color or a color library.
Selections tools inside Adobe Photoshop are : Lasso tools, Marquee tools, Magic Wand and Quick Selection, Color Range from Select menu and you can also trace edges with Pen Tool or Magnetic Pen Tool which is accessible when Freeform Pen Tool is active.
To select specific colors in Photoshop for editing, use the "Color Range" tool. This tool allows you to choose a specific color range in your image by clicking on the color you want to select. You can then make adjustments to the selected color range using the various editing tools in Photoshop.
Selection tools in Photoshop: Marquee Tools (M), Lasso Tools (L), Magic Wand and Quick selection (W). You can also select color from image as foreground or background color with Eyedropper Tool (I). Navigate with mouse above any tool in Photoshop and you will see tooltip with keyboard shortcut for that tool in parentheses.
From Photoshop go to File > Automate > Photomerge or do it from Bridge, select photos you want to merge in panorama then go to Tools > Photoshop > Photomerge...
To change your preferences in Photoshop you click on Photoshop on the top left of your screen, select Preferences and then select whatever it is you want to change.
To align images in Photoshop, select the images you want to align, then go to the "Edit" menu and choose "Align" to select the alignment option you prefer, such as aligning them horizontally or vertically. You can also use the alignment tools in the toolbar to manually align the images.
Go on http://www.photoshoplab.com/photoshop-tool-basics.html and it tells you all the tools meanings (:
To select a specific color in Photoshop, use the Eyedropper tool to click on the color you want to select. This will set the foreground color to the selected color. You can then use this color for painting, filling, or other editing tasks in Photoshop.
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The answer you are most likely looking for is Tools, if you are referring to the icons from the Tools pallate on the left side of Photoshop.
To select all colors in an image using Photoshop, you can use the Magic Wand tool or the Color Range tool. The Magic Wand tool allows you to select similar colors by clicking on a specific color in the image. The Color Range tool lets you select specific colors or tones by adjusting the range and fuzziness settings. These tools can help you easily select and manipulate all colors in your image.