Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.888935366595
Darker point darker score: 1.10583723111
darker: 2 (eq: False, dd: True), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 0, worker: A12DV2RIAQPV5J
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 2 (eq: False, dd: True), confidence: 0, worker: A29PBDDLQLP90O
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2C5N3IQEP0KWA (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: AH7WFV2TQYEW0 (marked invalid)
(0: guessing, 1: probably, 2: definitely)