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Blend modes Use blend modes to determine how layers are composited together. Create complex multi-layered textures. Choose from Normal, Multiply, Add, and Screen. Apply them and experiment without the fear of permanently altering your composition. When layers are combined, the results can vary. Change the order and experiment with the settings to achieve the result you want. Multiply layers Use Multiply to produce an overall darkening effect to the layer appearance. When using Multiply, the value for each pixel in the layer is darkened by a value equal to or greater than the value of pixels on other layers occupying the same location in the layer stack. It produces a similar effect to combining one or more photographic transparencies together and looking through them. Add layers Use Add to lighten the overall composition, similar to Screen, but in a more extreme manner. When using Add, each pixel is brightened by a value equal to or lesser than the value of pixels on other layers occupying the same location in the layer stack. This is applied as a linear calculation. Screen layers Use Screen to produce an overall lightening effect to the composition. When using Screen, each pixel in the layer is brightened by a value equal to or lesser than the value of pixels on other layers occupying the same location in the layer stack. It produces an effect opposite to that of Multiply.