The standard fiber color code chart includes Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, and Aqua for 12 primary fibers. WolonFiber's 12-Color Fiber Optic Pigtail Packs are manufactured strictly to the TIA-598-C standard with vibrant, easy-to-identify colors. Perfect for fast, error-free termination in your ODF or splice closures. Available in OS2/OM3/OM4 at factory-direct wholesale pricing. How to Identify Fibers in. With a standard color designation – 12 colors, then 12 colors with a black ring (or dotted color). But what happens to the tube №25 in a thicker cable? Which color should it be? Should it have a blue ring? Should it have 2 black rings? And what happens to the 37th tube in an even more thick cable?Fiber Optic Color Code Explained Written by Ben Hamlitsch, trueCABLE Technical and Product Innovation Manager RCDD, FOI We are surrounded by colors. Colors are even used in. Color Code for 12 Fibers: Blue Orange Green Brown Slate (Gray) White Red Black Yellow Violet Rose (Pink) Aqua (Light Blue) For fiber counts higher than 12, the color pattern repeats in groups (bundles) of 12. Tubes with binder threads: A blue and orange thread binder is used to separate two groups of fibers.