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dranrabluap
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How can I color proof for RGB565

Nov 22, 2012 11:57 PM

Tags: #color #mac #cs6

Hi,

 

I'm working on a large number of images for an Android target.  The target uses RGB565 format.  Is it possible to configure color proofing on Photoshop (and illustrator would be good) to display with the color range of RGB565.  I haven't been able to work this one out and have resorted to saving the image as a BMP in RGB565 format then loading it back in to check for atrifacts and banding etc.

 

Thanks

 
Replies
  • Currently Being Moderated
    Nov 23, 2012 5:13 AM   in reply to dranrabluap

    Just to clarify this: Soft Proofing is not possible, because RGB565 isn't a color space

    but merely the code format R 5 bit, G 6 bit , B 5 bit.

     

    The question is probably, how to get a reasonable preview concerning quantization

    effects (banding, as mentioned).

     

    Image > Adjustment > Posterization

    with 32 levels (2^5=32) creates a preview for RGB555, which can be considered as

    a kind of worst case test for RGB565.

     

    But if the real conversion RGB888 --> RGB565 is executed with dithering, then the

    test as above is no more relevant.

     

    Best regards --Gernot Hoffmann

     
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