Particles have a lower opacity than previous versions.

Whenever I destroy a block or break one with the block breaking animation, the block breaking particles that come out are semi-transparent (lower opacity) and you can see the outline of the block behind it. This is clearly an aesthetical thing, but it is very annoying to see and I like the 1.4 and later's particles better.

What I expected to happen was...:
That the particles would not be semi-transparent, and would be fully solid.

What actually happened was...:
The particles ARE semi-transparent, and it is very annoying to keep seeing over and over again.

Steps to Reproduce:
1. Break a block in creative or survival mode and look at the breaking block particles. You will notice they have a lower opacity than normal.