1.21.5.1
release
Colorblind Diamonds
Shifts the hue of diamond items to make them distinguishable from iron items, by and for colourblind people.
Colorblind Diamonds
Colourblind Diamonds
This is a resource pack intended to help with differentiating diamond items from iron items. It simply shifts the hue for all diamond textures in the game to appear more blue.

It is designed mainly for players with protanopia, as that's what I have.