you can try to use FastRawViewer and see what per-channels multipliers "they" suggest ( that is assuming EasyHDR uses the same approach as FRV), then you can adjust as shot WB tag in DNG using exiftool or so and feed it to ACR/LR and use as shot WB there ... ___BUT___ the same colors of course is a different story because the whole color transform is more than just the WB ...
you can try to use FastRawViewer and see what per-channels multipliers "they" suggest ( that is assuming EasyHDR uses the same approach as FRV), then you can adjust as shot WB tag in DNG using exiftool or so and feed it to ACR/LR and use as shot WB there ... ___BUT___ the same colors of course is a different story because the whole color transform is more than just the WB ...