def get_area_color(area, structure_tree):

    if area == 'all':
        return 'k'

    if area == 'SCMRN':
        area = 'MB'
    elif area == 'VISall':
        area = 'VIS'
    elif area == 'Hipp':
        area = 'HPF'
    elif area == 'Sub':
        area = 'SUB'
    elif area == 'midbrain':
        area = 'MB'
    elif area == 'SCm':
        area = 'SCiw'

    color = structure_tree[structure_tree['acronym']==area]['color_hex_triplet']
    if len(color)>0:
        color = color.values[0]
    else:
        color = '000000'

    return '#' + color