Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.979318747034
Darker point darker score: 0.944181515279
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AWO91BEOHNOJB
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1GY0P2ZEJ1RK7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1KF93C9NTOP42
(0: guessing, 1: probably, 2: definitely)