Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.943914654574
Darker point darker score: -0.0531344399634
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3JB8CDV1SF2TH
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2YYHNACJ8MFTU
darker: 2 (eq: False, dd: True), confidence: 1, worker: AXKXTGJXLS3C9
darker: E (eq: True, dd: None), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJBQ5XEHIF9Z1 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: APLPGURGFU8KN
darker: 2 (eq: False, dd: True), confidence: 2, worker: AR50UBGSH10FJ (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AE808DQDYM9F
(0: guessing, 1: probably, 2: definitely)