On the Photoshop on the web homepage, under Start something new, select Upload an image and browse for a file on your device.
Learn how to add a Solid color fill layer to your canvas.
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Follow along with any project to learn how to retouch images.
Select Adjustment layers from the Layers panel. Then, select Solid color in the Adjustments menu.
A Solid color fill layer is added to the canvas, above the previously selected layer.
Select the desired color for your fill layer using the color picker.
You can further adjust the position of the Solid color fill layer by dragging it up or down in the Layers panel.
If you'd like to change the fill layer color, double-click the color swatch in the Layers panel to open the color picker and select a new color.
Select Download.