option = { title: { text: 'Awesome Chart' }, xAxis: { data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'] }, yAxis: {}, visualMap: { top: 20, right: 5, pieces: [{ gte: 0, lte: 1, color: '#096' }, { gt: 1, color: 'red' }], outOfRange: { color: '#999' } }, series: [{ type: 'line', data:[220, 182, 191, 234, 290, 330, 310] }] };