To remove gradient color in Photoshop, you can use the following methods: 1. Use the Eyedropper Tool to select the gradient color you want to remove, and then press 'Delete' to remove it. 2. Use the Gradient Tool to select the gradient layer and click the 'Delete Gradient' option in the options bar. 3. If the gradient is part of a layer style, double-click the gradient overlay in the Layers panel to open the Layer Style dialog, and then click 'None' to remove the gradient. Photoshop is a raster graphics editor developed and published by Adobe Inc. It is widely used for photo editing, image composition, and graphic design.