Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.924477515193
Darker point darker score: 0.207126754733
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3QW1C79IH4GOG
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2KJ983WWTEK4L
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2JVJ7J2MVGW9S
(0: guessing, 1: probably, 2: definitely)