Log homes interior design is not indeed a daunting task. As warm color is everywhere on the walls then you have to remain careful while selecting the room furniture. The more you careful, the better home design you will get.
Light color fabric furniture is always the best choice for such space. This way, you can make light and dark color combos in your log home.
If you need something unique then decorate your sofa with brown family shade cushions. For example, when you have cream color sofa then you can go with chocolate brownie shade cushions. This contrast will look super glamorous.
Since you need classic appeal in log homes interior design, it means that you have to stick with vintage wall decor items.