Account
Sign in to access your Color Optics account and saved settings.
Settings
Your Color Optics selections are saved locally on this device and, when signed in, synced to your account so they can follow you across devices.
Sign in with a premium-enabled account to unlock the full Color Optics library.
Free access includes Fiber up to 48ct with 12ct tubes, Twisted Pair up to 50 pair, Ethernet CAT 1 and CAT 2, and no Coax access.
Premium Plan
Unlock the full Fiber, Twisted Pair, Ethernet, and Coax reference library across the web app and future mobile apps when signed in.
Secure Stripe checkout will open here for web subscriptions.
Field Reference Suite
A field-ready telecom reference for fiber, twisted pair, Ethernet, and coaxial cable work. Built for quick lookups, mobile use, and fast navigation in the field.
What It Covers
Jump between large fiber counts, standard 25-pair color code, T568A/T568B pinouts, and common coax references without losing your last place.
Reference Library
Use Color Optics to quickly check fiber color code layouts, twisted pair binder groups, Ethernet category capability from CAT 1 through CAT 8.2, and coax cable bandwidth, distance, impedance, and connector references in one place.
Fiber
Navigate cable size, tube size, jump tools, and ribbon-style tube markings.
Fiber OverviewCopper
Review binder groups and 25-pair color code layouts in a compact mobile-friendly view.
Twisted Pair OverviewData
Compare cable categories, see T568A and T568B diagrams, and review speed and distance limits.
Ethernet OverviewRF
Look up common coax types, bandwidth ranges, distances, impedance, and connector styles.
Coax OverviewReference
Simple Wiring Diagram