Its wrong to use your suit jacket as an odd jacket because it definately is not made from the same kind of fabric with regular sportscoats. Sportscoats are usually made of a bit more casual fabric like tweed, flannel or corduroy.
Its an odd jacket because it stands out from the rest of the outfit due to color or pattern and its best you live it that way. If you're wearing a tan colored sportscoat best not to pair it with same color of pants for a prepster effect.
Odd jackets are iconic staple items for men and nobody does them better than
Ralph Lauren in terms of design fabric and styling
Its wrong to use your suit jacket as an odd jacket because it definately is not made from the same kind of fabric with regular sportscoats. Sportscoats are usually made of a bit more casual fabric like tweed, flannel or corduroy. 
