Variable bowtie system and method providing half-bows of different colors which can be chosen and combined as desired by the user for one wearing, and with a different choice or combination of colors for another wearing. Chosen half-bow units of desired colors are placed on a mounting-stud pair affixed to a neckband, and are removably secured with a retaining collar, which may also be provided in a variety of colors, resulting in a bowtie having the desired color or color combination for a particular wearing, which can be changed upon another wearing.