All effects and presets

Preset

Cyanotype

Blueprint cyanotype tones with cool shadows and paper highlights.

Sir John Herschel invented the cyanotype in 1842 using light-sensitive iron salts that develop into Prussian blue after a water wash. Architects later adopted the process for inexpensive plan copies, which is why we still say blueprint.

In 1843 Anna Atkins began issuing Photographs of British Algae, widely recognised as the first book illustrated with photographs, each plate a cyanotype photogram. The preset borrows that Prussian blue world for contemporary pictures.

Cyanotype example
Example

Properties

  • Monochrome

    Enabled layer in this preset.

    Values
    downmix: 0.3, 0.6, 0.1; normalize_weights: 1; tint_color: 1, 1, 1

  • Duotone

    Enabled layer in this preset.

    Values
    start_color: 0.02, 0.122, 0.227; end_color: 0.922, 0.878, 0.847; gamma: 1.2, 1.15, 1.08

  • Contrast

    Enabled layer in this preset.

    Values
    contrast_strength: 0.45; pivot_point: 0.42; output_mapping: 1; gamma: 1.12

Command line

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

rethings apply --preset cyanotype -i input.jpg -o output.png

Gallery

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