Modder ‘Halk Hogan PL’ has released a new version of his HD Texture Pack for The Witcher 3: Wild Hunt. According to its changelog, this new version of The Witcher 3 HD Reworked Project improves spruces textures from 2.0 (better colors, brightness and little improvements).
Those interested can download this mod from here.
And here are some comparison screenshots. Vanilla version is on the left whereas modded version is on the right.