Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.898182458277
Darker point darker score: 0.116749136102
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 1 (eq: False, dd: False), confidence: 2, worker: A167L9XCC3KHPF
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2RLY0MUZQ1R1G (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A1AXIY3LLO186R
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2NA5EGC550RR
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
(0: guessing, 1: probably, 2: definitely)