Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.944831952232
Darker point darker score: 0.995248295301
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1BUYK6LXYWMLL (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2EKPA2DR5VSA8
darker: 1 (eq: False, dd: True), confidence: 1, worker: A315ZG72CPNAHV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3LHITZX5D9J9A
(0: guessing, 1: probably, 2: definitely)