Hi
Alternative color profile for merrill and quattro
(I use dcptool ..x3f wrapper profile with tone curve Sigma quattro H)
https://www.dropbox.com/s/hq5iiqn38am7q9l/SigmaColor.zip?dl=0
Copy in
C:\Users\name account pc\AppData\Roaming\Adobe\CameraRaw\CameraProfiles
;)