Allan’s presets use DCP profiles from Adobe LR. Install latest DNG Converter (which is free) and edit the ‘ColorRenderingDCPProfile’ value in the preset file to point to the right file (on Windows11 DNG Converter installs profiles below ‘C:\ProgramData\Adobe\CameraRaw\CameraProfiles’). You can also set DCP path in DPL rendering settings after selecting rendering type=DCP. Adobe’s profiles contain color matrices for native ↔ XYZ coordinate transformations, one for ‘A’ lighting (2850K tungsten) the other for ‘D65’ (daylight at 6500K), table for color conversions in HSV coordinates and a tone curve. Color transformations for other WB values are extrapolated. See DNG specification for more details.
Adobe DCP profiles have often problems with hue twists, especially in highlights, which can cause harsh color transitions. I would rather follow Cecile-C’s advice and let DxO check for any problem with DxO modules. For my Nikon cameras I generally find DxO profiles “better” than Adobe DCP. Some people untwist the hues in DCP profiles using dcpTool. There might be also problems caused by different gamuts used.
Please note that ‘homemade’ color profiles will work well only with the same lighting they were created with. From the PL7 help:
To create a custom DCP input profile, you need to use a color chart. This will allow you to get accurate colors according to the light source, and apply the saved profile to batches of images taken with the same light source.
DCP profiles created by PhotoLab contain only color transformation 3x3 matrix.