: How can I change the white color to random so it's still looking good? I took a photo of some vegetable powders in small glasses. Now I would like to change the white color to blue or any

@Tiffany317

You can easily change the cast of the background using an adjustment layer. First select the white area and include the clear bowls. Select inverse to mask the spices. I used Selective Color (select Neutrals or Whites) and Channel Mixer each alone changes it slightly different. Play around with the settings until you get the desired effect.

I do not necessarily think these are improvements to the white but it does what you asked. Good luck.

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@Rivera951

The most safe way would be avoiding color by manually creating a mask on the powders, either by some color selection or by manually painting the mask. by isolating color information, you will end up transforming the powder in a full-black shape that can be cancelled out as a mask.
You can do this via selective color or using the selection by color range at the Image > Calculations menu item.

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