Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.00367568614
Darker point darker score: 0.45229978513
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2HSGLM9NG1QN7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A251KVXCS8E3C
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3FVPDNQQLDFZH
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RUHINET2E1C5 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
darker: 1 (eq: False, dd: False), confidence: 1, worker: AE6N096CSI5HT
(0: guessing, 1: probably, 2: definitely)