You can add a layer mask to any type of layer or even to a multiple layers gathered in a group. To mask layer in Photoshop you simply have to be on that layer and press the Add Layer Mask button found on the layers tab. As you can see it adds a white layer mask meaning that the entire image is visible.
Accent Wall, Color, Color Consulting, Decorating, long narrow rooms, Paint, painted accent walls, Painting, what is the best wall for an accent wall. I think there are definite times when accent walls are great. I have used a darker wall at the end of a long, narrow room too with wonderful results.
Step 1. If you're painting the wall the same color as the ceiling, you don't need to mask off the ceiling. Different colors on the two surfaces, however, require you to mask the edge of the ceiling with 2-inch painter's tape. Make sure the ceiling paint is completely cured before masking it.