Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.939604077194
Darker point darker score: 0.924246592021
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 1 (eq: False, dd: False), confidence: 2, worker: AR50UBGSH10FJ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AC6QZ6VSEIYK1
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2D3TM156X7Y61
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)