: Photoshop CS6 Colour display issue I've had this issue with Photoshop where some dark blues are displayed in black on Photoshop if I'm in RGB mode and selecting dedicated graphics in the performance

@Bethany839

Try disabling the 30 bit display checkbox.

My cyan color looks normal again without blacky color, without sacrificing advanced GPU mode.

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@Nimeshi706

You may want to read the Q&A in this link I just found. From that page:


Looks like a problem with your display calibration. It could be the
display profile, or it could be a bug in your video card driver (the
shaders used to perform color correction).

Try setting the Photoshop GPU mode to "Basic", then relaunching
Photoshop. If that solves it, then the cause was the shaders (and a
bug in the driver). If that doesn't solve it, then the problem is
most likely your display profile.

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