Without replacing those letters, this mod becomes a bit frustrating because we have to constantly remember which "R" means and which "Y" means. This mod is a lifesaver for colorblind folk but this seems to be a significant price to pay to not have clear checkboxes for which signals to accept in Guis.

Thanks for the input, I have not been able to play as much of this expansion as I would have liked so haven't encountered this yet.

I looked into this, and came up with an okay solution in the latest release 1.2.0.
The best I can do is replace the tooltips to be correct, and updating the background colors in the inputs section.

I tried going through lua scripts to find an interception point for the 'R' and 'G' being rendered in that location.
I think the only way to do it would be to clone the combinator into a new entity that i completely control then i could make this change.
This would take me some time, as I have not really programmed in lua. On top of that it makes the mod quite fragile and would need to be monitored more for any breaking changes from updates.

I would love to have the time and energy to spend on something like this, but it's just not something i can do.
I hope the changes i did do are serviceable, i think they will suffice.
I turned off the mod for testing, and yeah the red and green are almost identical to me, so i feel your pain mate.

Let me know if there is any bugs or anything I missed. Happy to keep this little mod going.

This will come directly with 2.0.21. I already made the changes for that on my local version, based on what boskid showed me.
Will be released as soon the version of factorio releases.

This will come directly with 2.0.21. I already made the changes for that on my local version, based on what boskid showed me.
Will be released as soon the version of factorio releases.

Yooo that's great!

I am gonna do some new screenshots. The 7 year old ones are very funny though.

Nice .
I will no longer think like "hmmm , this blueish R button should be unchecked for this combinator , since this bluesh red signal should be ignored" .
Thanks to you and factorio devs .

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It is out now