when i use filter gallery > sketch, why it yellow color, how to fix it?

[watsapholk62685988]

when i use filter gallery > sketch, why it yellow color, how to fix it? 

Photoshop 2020

[davescm · Accepted solution]

Hi

Change your foreground and background colours to black and white before using the filter

Dave

[danielgunawan97]

Thanks a lott!

[tomasff21]

I tried this method, but it didn't work form me. Which way should i change the FG and BG?

[D Fosse]

Press D.

Press X to swap.