SSource-backed
A full color match against a wall or large object is the safest baseline because seekers have less movement and contrast to notice.
Official description confirms painting, wall/floor/object blending, and seeker survival.
AEarly signal
Edges let you match floor color while keeping an escape lane, but traffic risk is higher than a perfect wall blend.
Derived from the official floor blend mechanic; map-specific spots need video checks.
CEarly signal
Open areas are easy to scan and only make sense for last-second baiting or when every better surface is crowded.
Generic hide-and-seek risk applied to the confirmed Chameleon seeker loop.