colours

How important is color neutrality? I make white cross; oll and pll algos on yellow. If I try to use some other color combination my time increases by 30 sec or so.. It feels like I'm searching for 1 f2l pair from decades. Does color neutrality effect\affect (I don't actually know whether to use...

I tend to go for white cubes because every black cube I buy pops within like 3 days or so and all the white ones i've had don't really lock or pop this could be pure lucky/unlucky but yeah thats why I go for white based cubes :p