[%########################################
  row_color( count, color )
     Retrieve the row color for row 'count' (default: 1 ). You can
     also pass in 'color' which overrides (kind of pointless, but it
     can be useful).
  ########################################-%]
[%- IF color %][% color -%]
[%- ELSE -%]
  [%- DEFAULT theme = OI.theme_properties;
      DEFAULT count = 1; -%]
  [%- ( count mod 2 == 0 ) ? theme.even_color : theme.odd_color -%]
[%- END -%]