E-Factor · Blind Exercise

Personal E-Factor Blind Exercise

Determine your personal color difference threshold — your E-Factor.

Blind Image Spot

E-Factor Online Exercise

Individual

This exercise assesses a person's level of expectation for an acceptable color match. Every person has different expectations.

Group Instructions

If your company has multiple people that assess color match for acceptance, have each person perform the exercise separately then compare results. Use the group's average E-Factor as the company standard.

Choose a base color:
Before you start
  1. You will see a difference every time.
  2. Judge whether that difference is acceptable — not whether you can see it.
Round {n} of 10 ΔE —
Reference
Sample
Your E-Factor
—
ΔE threshold
Level — —

Round-by-round responses
Round ΔE Response
Response chart
Take Color Maturity Survey →
Peter · AI Assistant
Questions about E-Factor or color perception? Ask me.