Hammarby Fotboll spent over 45 seasons in Allsvenskan .
Currently competing in Sweden 's first tier , Allsvenskan , Hammarby are placed twelfth in the all-time Allsvenskan table , and won said league in 2001.The club 's colours are green and white , which is reflected in its crest and , since 1978 , its kit . (
Hammarby Fotboll