Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.13651099709
Darker point darker score: 1.07431398249
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RQN5RZD1N2KP
darker: 2 (eq: False, dd: True), confidence: 2, worker: ACXUUWF75RR6C
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DNSD743W4OC2
darker: 2 (eq: False, dd: True), confidence: 2, worker: AHPLLAN8B13W2
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3FB1E807EN22S
(0: guessing, 1: probably, 2: definitely)