All effects and presets

Effect

Rgb Shift

Separate and offset colour channels for chromatic aberration.

Separating colour channels and offsetting them recreates chromatic aberration and misregistered printing. Lenses do it at the edges; printers do it when plates do not align; glitch artists do it on purpose in the centre of the frame.

Small shifts feel optical. Large shifts feel broken and graphic.

Rgb Shift example
Example

Properties

  • Red offset

    red/cyan strength

    Range
    -0.2 to 0.2
    Default
    0.184

  • Blue offset

    blue/yellow strength

    Range
    -0.2 to 0.2
    Default
    0.146

  • Stretch ratio

    R/B aspect ratio

    Range
    -2 to 2
    Default
    1.46

  • Aberration center

    Range
    -1, -1 to 1, 1
    Default
    -0.813, 0

Command line

Requires Rethings Pro. Install the tool from Rethings → Install Command Line Tool… 

rethings apply --effect rgb-shift --set red=0.1844 --set blue=0.1462 -i input.jpg -o output.png

Gallery

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