I have an issue with Rubidium where it makes my tinted blocks look awfully strange
They are supposed to look like this
It looks like Rubidium is trying to do a transition instead of letting the full block get colored
Sea-Kerman commented
same happens with AE2. It's caused by biome blend.
myrddraall commented
ender chests (the color strips always look white) and more red (redstone wire always look on). It looks to be a general issue with anything that uses tint