![]() ![]() But you still have to start with a 24 bit image. Īdditional Note: As pointed out this Question shows how to save an RGB565 bmp image with Photoshop. This is really easy to do and only takes. For example a 32bit Image can refer to a 24bit image + 8 bits of alpha (transparency). This Photoshop tutorial will show you how to convert a 32 or 16 bit image into an 8 bit image to save it as a JPEG. To further confuse matters, you can have an additional bit depth for transparency. Conversions between 16 bit and 8 bit are much simpler as they both have the same range, just divided into a different number of steps. However, most non-photo software (web browsers) utilize 24bit RGB images and often don't support the 48 or 96 bit images. Controls to convert from 32 bit to an 8bit/16 bit gamma space are designed to give you choices as to what will be captured in the final 8 bit/16 bit image, and what will be discarded. Photoshop has the ability to work with 8, 16, or 32 bit RGB, which translates to 24, 48 or 96 bit images. 16 bit refers to an RGB image with more than normal color depth. Using these numbers, standard RGB images are referred to as 8 or 24 bit. Things can get confusing when dealing with the word "bit" at times.Ĩ bit RGB = 24bit image (8 bits R, 8 bits G, 8 bits B = 24).ġ6 bit RGB = 48bit image (16 bits R, 16 bits G, 16 bits B = 48). In the “Indexed Color” Options, we used a “Pattern Dither”.I believe bmp only supports 8 bit RGB (24bit images) Use the method you prefer to “Pixelate” your image, (we used the “Mosaic” filter but used a 30 “Square” Cell Size). You will have to turn your image “Mode” to “RGB Color” first and then go to “Indexed Color” and apply “Step 6” or “Step 7” to achieve your look.ġ1 - Finally, you can apply the look to a portrait or other image with a higher resolution. Then, go back to the “Image Size” window, change the “Pixels” to “Percent” and resize it again to make it bigger (use multiples to have a better result).ġ0 - Head back to the “Image” menu. (If your original image is in “Grayscale” you will need to make it “RGB Color” first and then “Indexed Color”).ĩ - Open the “Image Size” dialog (Option/Alt + Command/Control + I) and reduce the image a lot (The “With” and “Height” were 1800 Pixels). Go to Image > Mode > Indexed Color and choose “Local (Perceptual)”, in the “Palette” menu (20 in “Colors” and “None” in “Forced”), use “Diffusion”, 20% and check the “Preserve Exact Colors” box in the “Options” section. Open your image, check if you need to adjust the contrast and tweak the “Levels” if it is the case. In “Options” use the “Diffusion” option for “Dither” and an “Amount” of 15%.ħ - You can experiment with the “Options” to see some different results, like using “Pattern” instead of “Diffusion” as “Dither”.Ĩ - Now we will use the same process in another image, and explore a different way to “Pixelate” it. Click “Load” in the “Color Table” window and navigate to where you saved your “Color Table” to select it, then click OK. (In this occasion, we are using several images to illustrate some variations in the process).Ĥ - Go to Image > Adjustments > Levels (Command/Control + L) and play with the levers a bit to get a nice contrast.ĥ - Go to Filter > Pixelate > Mosaic and choose a “Cell Size” of 10 square.Ħ - Go to Image > Mode > Indexed Color and choose “Custom” in the “Palette” menu. ![]() Close you’re the image and open the one you plan to use as your artwork.ģ - Open the image you want to use. It should have the colors you want to use.Ģ - Go to File > Export > Save For Web (Legacy) (Option/Alt + Shift + Command/Control + S), and in the “Color Table” menu select “Save Color Table”, name it as you like and save it (choose a location you will remember easily). For this Tutorial, we are using some images to convert into an 8-Bit console style artwork and the screenshot of a Game to make the “Color Palette”.ġ - In Photoshop, open the game screenshot you have made. ![]()
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