Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.208844257255
Darker point darker score: 0.899594295686
darker: E (eq: True, dd: None), confidence: 0, worker: A3JK0EYQ2I82KS
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3E3QXLHXAGY4Y
darker: 2 (eq: False, dd: True), confidence: 1, worker: A11KMASRERFP0V
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2AH0I3IAWWNX7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
(0: guessing, 1: probably, 2: definitely)