How to tone up?

I'm 5'10" and 154 pounds. I'm not fat- skinny/average to most who see me (size 2-4 in torso and size 4-6 in shorts, pants ect). I'm muscular but there's a stupid thing called fat that likes to destroy my effort. I've TRIED to tone up before but nothing seems to work for me! I'm about to go on a food intake change because I hate the word diet. Meaning no sweets or bad foods. I've done my fair share of research and no basics of water intake and times to eat food and when to stop.

Does anyone have any ideas to help tone up? I REALLY want to do this and I need some confidence/ motivation. I need tips!!!

Do you know any workout plans that would help? Any food plans?
How to tone up?
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