Como alterar cor de linha, no grafico feito no amchart?
Você pode alterar a cor da linha informando a propriedade "lineColor": "Color".
Neste exemplo, estou especificando as cores “Green” e “Blue” para as linhas:
{
"type": "serial",
"categoryField": "category",
"startDuration": 1,
"categoryAxis": {
"gridPosition": "start"
},
"trendLines": [],
"graphs": [
{
"balloonText": "[[title]] of [[category]]:[[value]]",
"bullet": "round",
"id": "AmGraph-1",
"title": "graph 1",
"valueField": "column-1",
"lineColor": "Green"
},
{
"balloonText": "[[title]] of [[category]]:[[value]]",
"bullet": "square",
"id": "AmGraph-2",
"title": "graph 2",
"valueField": "column-2",
"lineColor": "Blue"
}
],
"guides": [],
"valueAxes": [
{
"id": "ValueAxis-1",
"title": "Axis title"
}
],
"allLabels": [],
"balloon": {},
"legend": {
"enabled": true,
"useGraphSettings": true
},
"titles": [
{
"id": "Title-1",
"size": 15,
"text": "Chart Title"
}
],
"dataProvider": [
{
"category": "category 1",
"column-1": 8,
"column-2": 5
},
{
"category": "category 2",
"column-1": 6,
"column-2": 7
},
{
"category": "category 3",
"column-1": 2,
"column-2": 3
},
{
"category": "category 4",
"column-1": 1,
"column-2": 3
},
{
"category": "category 5",
"column-1": 2,
"column-2": 1
},
{
"category": "category 6",
"column-1": 3,
"column-2": 2
},
{
"category": "category 7",
"column-1": 6,
"column-2": 8
}
]
}
Você pode usar a página https://live.amcharts.com/ para testar.