fillColor: A CT_Color ([ISO/IEC29500-4:2011] section A.2) element that specifies the fill color of the data bar. This element MUST exist if and only if the priorityattribute of the CT_CfRule that is a parent of this complex type exists.
borderColor: A CT_Color element that specifies the border color of the data bar. This element MUST exist if and only if border equals "true".
negativeFillColor: A CT_Color element that specifies the negative fill color of the data bar. This element MUST exist if and only if negativeBarColorSameAsPositive equals "false".
negativeBorderColor: A CT_Color element that specifies the negative border color of the data bar. This element MUST exist if and only if negativeBarBorderColorSameAsPositive equals "false" and border equals "true".
axisColor: A CT_Color element that specifies the axis color of the data bar. This element MUST exist if and only if axisPosition does not equal "none".