In Illustrator, you may have noticed that when you press “D” to set your default stroke colour to black, you actually end up with a muddy grey colour instead. If you’re like me, you won’t notice this until it’s way too late, and half your stuff will be one shade of black and the other will be a darker shade, and then you have to go through the whole rigamarole of using Select > Same Fill etc. to edit the colours.
So how do I fix the default black so it’s not grey?
The answer is to change the colour inside the Black swatch. If you look at your Swatches palette, you will see that the fourth swatch in is Black. By default, Illustrator ships with this Black being equivalent to CMYK 0,0,0,100, which makes sense if you’re working in CMYK a lot.
If you find yourself doing web work and you wish to change the default Black to RGB 0,0,0 just edit this swatch colour.
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