提案/Suggestion
When you have an item tagged as a favourite, it has a small green star in the top left hand corner. When an item can be upgraded, the arrow in the top right corner lights up green. Same colour. So if you are scrolling rapidly through your weapons and armour, before a big fight, to see if anything that you have can be upgraded, you just see green.
I propose that upgradable items stay green, but that favourites be marked in gold. That way, there is no confusion for your eye.
Better still would be persistent messages when you have an item that you can upgrade, but that is already open in a separate topic.
現状/Current Status
The tags on favourite weapons/armour and the up-arrow when an item can be upgraded are both green. They should be different colours.