Home > Adobe, Digital Painting, Photoshop > Opacity & Flow Settings in Photoshop

Opacity & Flow Settings in Photoshop

So here’s a slightly more involved dissection of how Opacity and flow works, and works together, in Photoshop. Below is an image with some tests that I ran, but here is the summary:

  • Opacity sets up the value of the value of a brush stroke
  • Use multiple strokes to build up opacity
  • Flow determines the rate at which the brush is applied across the length of the stroke.
    • A low flow gives a blurry edge at the beginning and end of the line
  • Flow can build up opacity within a single stroke
  • Spacing of the brush tip affects the appearance of the stroke
    • Spacing Off – Spacing is determined by how fast the brush tip moves
    • Spacing 1 – continuous line
  • Use a combination of both flow and opacity to build up values



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