Minecraft Norse Mythology UI is wrong

For some strange reason, the colors of the user interface have changed and look very bad, now the patterns look lighter and it looks ugly since it is supposed to imitate wood, but that doesn't look like wood at all; Furthermore, this error was not present at the launch of the pack, but rather arose with the passing of the updates. So basically the user interface requires it to be restored to its original version and correct color, since this color change generated many errors and the different textures do not share the same color palette. In the attached image you can see some of the affected patterns