Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02208457463
Darker point darker score: 0.925459827911
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1XA2WJ50VR7KQ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1XYJZ1AFNUURD
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1A50D6DABL6IK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A38TQC40K87G6I (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1MQPBGSL800TL
(0: guessing, 1: probably, 2: definitely)