| 摘要 |
To provide a color code symbol is provided in which information can be read as it is when read by an ordinary code symbol reader and when a special readier is used, information read by the special reader can be decoded in addition to ordinary code symbol information, there is provided a color code symbol comprising a plurality of lines and/or dots and made to be read by a machine, the color code symbol characterized by comprising a background color which makes up a background of the code symbol, a plurality of lines and/or dots represented by a plurality of colors having the same lightness as that of and a hue different from that of the background color, and a plurality of lines and/or dots represented by a black color having a lightness different from that of the plurality of colors.
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