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Hello, I am trying out Affinity Photo as a replacement for CS6 Photoshop. Coloring b&w artwork with channels is something I do in Photoshop. I create an alpha channel then paste in my b&w (or greyscale) artwork . I create as many channels as there are in my print design - usually two to three plus a base color. I can set the opacity of the channel to closely mimic the transparency of gravure printing (what my plant uses). I can also change the color of the channel as many times as I want without ever changing the b&w artwork pasted into the channel. I do not see a way to do this in Affinity. When I try opening an existing PSD file these alpha channels do not appear. There may be a way with layers but only if I can preserve the artwork's tonal structure. I need each layer to multiply and create a composite color of the combined artwork layers. I have attached a simple PSD file to illustrate. Otherwise Affinity is a really good fit for the mural work I do. I like the interface, features and effects. The scale-up test I did produced better results than Photoshop. Thanks, Larry 8.5x11 2color RGB.psd