Color fastness refers to the degree of resistance of textile color to various effects during processing and use. According to the color change of the specimen and the staining of the undyed lining fabric to assess the fastness level, the textile color fastness test is a regular test item in the textile intrinsic quality test.
| Test items | |
| Water color fastness | Color fastness to washing |
| Color fastness to perspiration | Color fastness to rubbing |
| Color fastness to saliva | Color fastness to dry cleaning |
| Color fastness to light | Color fastness to light and sweat composite |
| Color fastness to seawater | Color fastness to heat and pressure |
| Color fastness to chlorine bleaching | Non-chlorine bleaching color fastness |
