Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.993093919705
Darker point darker score: 0.324111028532
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2ZMZDOTHBMUCK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1QK90OHMNVT6N
darker: 2 (eq: False, dd: True), confidence: 2, worker: AF8M0GI3M45B8
darker: 2 (eq: False, dd: True), confidence: 1, worker: A26N0ZAW34UJUV
darker: 1 (eq: False, dd: False), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)