<xsd:simpleType name="colortype" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:annotation>
    <xsd:documentation>The attribute value is set by using the following color format.</xsd:documentation>
  </xsd:annotation>
  <xsd:restriction base="xsd:string">
    <xsd:annotation>
      <xsd:documentation>The attribute value must be in this format.</xsd:documentation>
    </xsd:annotation>
    <xsd:pattern value="\d+[,]\d+[,]\d+">
      <xsd:annotation>
        <xsd:documentation>The color format consists of three numbers, separated by commas, between the numbers 0 and 255, that specify the red, green, and blue components of the color, respectively.</xsd:documentation>
      </xsd:annotation>
    </xsd:pattern>
  </xsd:restriction>
</xsd:simpleType>