|They should be the same color. Every Cat 5/5e and 6 cable I've worked with has the same standard 4 colors, Green, Orange, Blue and Brown.|
Every keystone I've worked with (the RJ-45 that snaps into the faceplate on a wall outlet) has the exact same colors.
What colors do you have on the keystones? It might be worth the $$$ to upgrade to newer keystones.