Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.00740539435549
Darker point darker score: 0.0504240323704
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1ABA3S1BGNCWW
darker: E (eq: True, dd: None), confidence: 2, worker: AI0LPDLUHKFMT (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
darker: E (eq: True, dd: None), confidence: 2, worker: AE808DQDYM9F
darker: 2 (eq: False, dd: False), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)