dotml:color 

A RGB color.

Simple Type Information

Used By

Attributes dotml:cluster-or-graph/@bgcolor, dotml:cluster/@color, dotml:cluster/@fillcolor, dotml:edge/@color, dotml:edge/@labelfontcolor, dotml:font-attributes/@fontcolor, dotml:node-and-record-attributes/@color, dotml:node-and-record-attributes/@fillcolor

Source 

<xs:simpleType name="color">
  <xs:annotation>
    <xs:documentation>A RGB color.</xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:string">
    <xs:pattern value="#[A-F,0-9]{6}"/>
  </xs:restriction>
</xs:simpleType>