How to quickly find out the color card number you want in the color card?

According to the picture you provided, this is the k7 color card commonly used in German RAL color card. Now the new version of * * * has 2 13 colors. As an industrial color card, there will be a Chinese-English comparison table and a color number catalogue on the back of the color card. If you want to quickly find the desired color card number, you can quickly query it through the color number directory.