Green: dirt roads to light mud and small rocks.
Rig reccomendations for green trails: stock with 4wd and 1 tow point just incase.
Blue: light trails, rock gardens, possibly mud, technical sections.
Rig reccomendations for blue trails: 31" tires or larger, ability to disconnect swaybars, at least one tow point.
Black: technical rock gardens, possibility of deep mud, difficult hillclimbs, body damage likely, rollovers/flops possible.
Rig reccomendations for black trails: 33" offroad tires (all terrains or better)or larger, one locker, transfer case skid plate, other armor reccomended. front and rear tow points.
Red: intense hillclimbs, extrememly technical rock sections, body damage highly likely, increased chance of rollovers/flops.
Rig reccomendations for red trails: 35" offroad tires (mud terrains or better) or larger, 2 lockers, transfer case skid plate, gas tank skid plate, rocker protection, other armor, front and rear tow points.