CSP Palette Companion

Windows app for Clip Studio Paint PRO/EX. Reads pixels from CSP and writes a major/minor palette as an Adobe Color Swatch (.aco) you drag onto CSP's Color Set palette.

Window 460 x 620. Closing hides it to the tray; Exit is in the tray menu.

Sources

Source	Requires
Canvas — whole visible canvas	Companion canvas capture, on by default
Layer — active layer	Clipboard capture. Deselect in CSP first.
Selection · Canvas — merged visible pixels inside the selection	Clipboard capture plus an Auto Action
Selection · Layer — selected pixels on the active layer	Clipboard capture. A canvas-sized result is rejected.

Workflow

Open a document in CSP.
CSP: File > Connect to smartphone (Datei > Mit Smartphone verbinden…) — a toggle, so selecting it while on turns Companion Mode off.
Companion: Connect. It scans for the QR code until it connects or you select Stop.
Pick a source and the major/minor counts, then Extract palette.
Drag the green Add card onto CSP's Color Set palette.

CSP allows one Companion connection. CSP Mux re-shares it; enable Use CSP Mux when it is running.

Pages

Installation · Selection Canvas Auto Action · How Palette Extraction Works · Troubleshooting · Build from source

Settings and palettes live in %LOCALAPPDATA%\CSP Palette Companion. Processing is local. GPL-3.0.