I'm designing on Illustrator icons for a new app, when I use 1px stroke and preview on mobile they look very thin and when I use 2px stroke they look a bit bold while Instagram icons look and feel perfect. I tried to reproduce the same but I think they use something around 1.3px stroke which is not pixel perfect for me. Could you explain me if my understanding is wrong and how I can get same result as Instagram icons?

here is an example, hope it helps to understand my point:

Image 1 is 1px stroke:

This is 1px stroke

Image 2 is Instagram example:

This is instagram example

Image 3 is 2px stroke:

This is 2px stroke

  • 1
    Hi Youness Mazouz, welcome to GD.SE, could you put some example image icons at the question please. Not all the people who answer here are Instagram users.
    – user120647
    May 11, 2019 at 10:57

1 Answer 1


I'm not sure if this is the case, but sometimes the icons are made with a double stroke to mimic a fake stroke width. At the icons below there are three different strokes:

  1. 1px
  2. 1px black + 2px grey
  3. 2px


This is the second icon structure:

icon structure

  • 2
    Thanks Danielillo, it worked! I used as in your example 1px + 1.3px all black and it gave a fantastic result.
    – Youness
    May 11, 2019 at 13:00
  • Glad to help...
    – user120647
    May 11, 2019 at 13:01

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