Silicon Graphics image file
RGB is a file extension for an image file created on a Silicon Graphics workstation. RGB files can contain Run Length Encoding (RLE) compressed or uncompressed images in grayscale or color, and also supports optional transparency. RGB files can be opened and edited by most image editors, such as Adobe Photoshop and the GIMP.
MIME type: image/rgb, image/x-rgb
Learn more about .RGB files:
Visit the Silicon Graphics Inc. web page
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