Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.448657640697
Darker point darker score: 0.188426002382
darker: 2 (eq: False, dd: True), confidence: 1, worker: AE6N096CSI5HT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1H30MGYWO1MWS (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1VKSXDK4QAEF9
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A390HYGLCX40HE
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1IJ5RKJ4MD2AM (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A35Y9YHW91OY2U (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AMDW925P9IY2O
(0: guessing, 1: probably, 2: definitely)