Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.961130972712
Darker point darker score: 0.970690231112
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1QK90OHMNVT6N
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2FQSVTAOL5GUC
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3VO5CW9ZY22MZ
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
(0: guessing, 1: probably, 2: definitely)