sed -i '' -e 's/<font color=\"#[0-9,A-F,a-f][0-9,A-F,a-f][0-9,A-F,a-f][0-9,A-F,a-f][0-9,A-F,a-f][0-9,A-F,a-f]\">//g' \
    -e 's/<\/font>//g' \
    -e 's/<[biu]>//g' \
    -e 's/<\/[biu]>//g'  '/Users/kiel/Desktop/sed test text.txt'