Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.999009886897
Darker point darker score: 0.955070055787
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RX3MRFR56U4Q (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: AFO6OUDRVZ317
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2KJ983WWTEK4L
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3DKW5X4Y1Z6UD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CQLD1RK8ZQ7D
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BELXEEQTFLXE (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
(0: guessing, 1: probably, 2: definitely)