I am very much comfortable with how I look and I really love myself. Just like you, I had a very hard time when I was young. Especially there was this light skinned lady who used to make fun of me because I was dark and slim. Whenever I come from school, I used to cry so much but my mom was always there for me and she consulted me so much. Finally, mom got get fed up by those despises and she transferred me to another school. Here we used to have girls' talk which helped me so much in building on my self esteem.
With time, especially when I was in high school, at least I felt appreciated because fellow girls started telling me how I have cute eyes . Its in high school, when I knew who I am and appreciated myself. Even if I hate myself, it won't make any impact in my life besides I have to love myself first for others to love me. What have come to learn is that there's no one ugly, its just a matter of how you present yourself, dress and how neat you are.