This read-write PolicerColorMode selects how the SAT test's traffic policer determines whether a frame is treated as Green or Yellow, i.e. color-aware or color-blind operation. An operator picks the mode that matches how the real service's policer is configured, since color-aware mode trusts pre-existing markings while color-blind mode judges every frame purely on rate. For example, setting color mode to color-blind runs the acceptance test without regard to any pre-existing PCP marking on incoming frames.