It is industry regulation to select the color for bracelet and logo via the Pantone Color chart. So what is Pantone and how many colors we can choose from , let me give answer as follow.
The Pantone is the international standard color chart and color authority famous around the world. It is widely used in printing, textiles, plastics, graphics, digital technology and other fields as international standard language for the exchange of color information.
The Pantone is an authoritative standard for selecting, determining, matching and controlling ink color with color number and color mixing formula of more than 1000 colors.
When you choose a pantone color for the bracelet then the engineer will mixed the color according to the formula of color chart. Add the mixed color to the silicone then a bracelet of your color completed. Comparing the bracelet with the color chart to see if it is the right one is the direct way to check it.