
The colours used in Easy Data Transform make no difference to the output. But the colours are an important part of a user interface, especially when you using a tool for significant amounts of time. First impressions of the user interface are also important from a commercial point of view.
But colour is a very personal thing. Some people are colour-blind. Some people prefer light palettes and others dark palettes. Some people like lots of contrast and other don’t. So I am going to allow the user to fully customize the Center pane colours in Easy Data Transform.

I also want to include some standard colour schemes, to get people started. Looking around at other software it seems that the ‘modern’ trend is for pastel colours, invisible borders and subtle shadows. This looks lovely, but it is a bit low contrast for my tired old eyes. So I have tried to create a range of designs in that hope that everyone will like at least one. Below are the standard schemes I have come up with so far. They all stick with the convention pink=input, blue=transform, green=output.
Which is your favourite (click the images to enlarge).
Is there a tool that you use day to day that has particular nice colour scheme?
I hope to also add an optional dark theme for the rest of the UI in due course (Qt allowing).
C, followed by A
Thanks!