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PHOTOSHOP COLOR MODES

New Here ,
Jan 08, 2018 Jan 08, 2018

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Hello,

It is possible to enter values with decimal places in the Lab colors of photoshop??

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Community Expert , Jan 08, 2018 Jan 08, 2018

Photoshop calculates with higher precision, and stores values in the image according to the bit depth you set 8/16/32. But for keyboard entry - integers only

Dave

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Community Expert ,
Jan 08, 2018 Jan 08, 2018

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For direct numeric entry in the color picker ? - No

Dave

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New Here ,
Jan 08, 2018 Jan 08, 2018

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Yes.

With the spectrophotometer, photoshop indicates these decimal values. But to insert directly, only accepts integers.

Thank You

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Community Expert ,
Jan 08, 2018 Jan 08, 2018

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Photoshop calculates with higher precision, and stores values in the image according to the bit depth you set 8/16/32. But for keyboard entry - integers only

Dave

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Community Expert ,
Jan 08, 2018 Jan 08, 2018

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You can indirectly get a real number by changing the 8-bit RGB fields in the color picker. So both RGB 129|129|129 and 127|127|127 show as Lab 54|0|0, but when the color gets applied the Info panel set to 32-bit shows the Lab real numbers not the rounded color picker number:

129.png

127.png

And you could use a color sample point to see a subsequent curve adjustment in real numbers:

Screen Shot 4.png

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New Here ,
Oct 24, 2022 Oct 24, 2022

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@rob day Thank you for the tip.

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