Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.880823902657
Darker point darker score: 0.2140923222
darker: E (eq: True, dd: None), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: APLPGURGFU8KN
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1N274L13ZKKI5
darker: 1 (eq: False, dd: True), confidence: 2, worker: AW0K78T4I2T72
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3PEMQP28HYGHU
darker: 2 (eq: False, dd: False), confidence: 2, worker: A23RB1Y4ANXQLS
(0: guessing, 1: probably, 2: definitely)