Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.886957498515
Darker point darker score: 0.984874823272
darker: 2 (eq: False, dd: True), confidence: 2, worker: AZ9A137H25EDX
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD3A4YDWWZCY (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1OQNX48FT7AKK (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A237FGJCPV99GJ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IXQP73TWQX0D
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2V83AS7LPINAN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A28P3ZGZB3XG9P
(0: guessing, 1: probably, 2: definitely)