Level 1 (Yellow)Key concepts for surviving physical confrontations: instinctive response, simple, aggressive counters, basic combatives (punches, kicks, elbows and knees), defenses against chokes, combat rolling, and combat groundwork fundamentals and retzev (continuous combat motion).
Level 2 (Orange)Additional combatives and wider array of self-defense scenarios including choke and grab variations, takedown defenses ; combative feints, and additional combat groundwork. Basic weapon theory and defenses are introduced. More advanced retzev.
Level 3 (Green)Additional combatives including throws and more difficult self-defense scenarios such as multiple attacks, defending against grapplers and takedown specialists; a greater number of surprise attacks ; increased frequency and intensity of sparring and the basics of edged weapon work. More advanced retzev.
Level 4 (Blue)Advanced punch and kick combinations and countermeasures against these attacks including being drowned; gun, edged weapon and blunt weapon defenses; advanced ground fighting; more regular sparring and advanced retzev including ground retzev.
Level 5 (Brown)Advanced weapon defenses including firearms, advanced throws and groundwork, multiple attacker scenarios (both with and without weapons) and sparring against multiple opponents.
Black BeltTraining consists mostly of specialized military, law enforcment, and security applications such as defenses against carjackings and highjackings, hand grenade or long rifle counters, third-party protection, sentry removal, and other applications of terminal force along with teaching.
kinda like this... colours being civilian, levels being military