cat 6 color coding for straight and cross cable

T568A
1. White green
2. Green
3. White orange
4. Blue
5. White blue.
6. Orange
7. White brown
8. Brown

All odd pins are white and even pins are colored. It starts with white orange or green and ends in brown..aid to memory.

T568 B just interchange green and orange in T 568A
1. White orange
2. Orange
3. White green
4. Green
5.white blue
6. Blue
7. White brown
8. Brown

T568A- T 568B is cross cable.
T568A- T 568A is straight.
T568B- T 568B is straight.

RJ 45 connector lock down position in front of you, from left is pin1 and extreme right is pin 8.

Cross Cable: 13-26
that is, after crimping one end staright, the other end would be:-
1. pin1 goes to pin3 (ie,pin3 would be rep by OW), Pin 3 goes to pin 1 (pin1 would be rep by GW).
2.pin2 goes to pin6 (pin6 would be rep by O) and Pin 6 goes to pin 2 (pin 2 would be rep by G).