Creating a blurred border in illustrator

I’m trying to recreate this shape(s) in illustrator and am not sure how it was done. I came up with a similar effect using the blend tool and it works fine for the project I’m working on but am really curious to know how this was done.

enter image description here


  • Create a round cornered rectangle (white in this case).
  • Go to Effect > Blur > Gaussian Blur... and apply some blur (you can also do this via fx in the appearance palette).
  • Reduce the opacity of the blurred rectangle (you can do this in the appearance panel or the transparency panel).

The exact parameters and values will require some experimentation.

Source : Link , Question Author : veighcait , Answer Author : Westside

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