Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.06071074814
Darker point darker score: 0.244502878661
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3GUVWDWXARFHF
darker: 2 (eq: False, dd: True), confidence: 2, worker: AAOTQL1SCAC03
darker: 2 (eq: False, dd: True), confidence: 2, worker: A32M5FDKCPHMA
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2BERSBTHBGR6E
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1K3QJM1Q770Y (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2DTELFC4X0QJQ
darker: 2 (eq: False, dd: True), confidence: 2, worker: A18WZ06GBK6FGZ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
(0: guessing, 1: probably, 2: definitely)