2.1.1571 Part 1 Section 21.2.2.227, varyColors (Vary Colors by Point)

a.   The standard states that each point shall have a different color.

In Office, this element also specifies that marker types shall vary by point.

b.   The standard states that each data marker in the series shall have a different color.

In Office, this element specifies that each data point, marker, and slice in the series shall vary by color.

c.   The standard states that parent elements include area3DChart, areaChart, stockChart, and radarChart.

Office ignores this element and does not vary colors by point when the parent is area3DChart, areaChart, or stockChart or when the parent is radarChart with the val attribute of sibling element radarStyle set to filled.

d.   The standard does not state any exceptions as to when the vary colors by point is applied.

Office ignores this element and does not vary colors by point when multiple series are specified on the chart.