Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.0542750538995
Darker point darker score: -0.0195507979516
darker: 2 (eq: False, dd: True), confidence: 0, worker: A3N21HBZFYFEXJ
darker: E (eq: True, dd: None), confidence: 2, worker: A2SXYRKIP3J9CJ
darker: E (eq: True, dd: None), confidence: 2, worker: A3FHD8CKWUQK61
darker: 2 (eq: False, dd: True), confidence: 0, worker: AJBQ5XEHIF9Z1 (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3163PFOUKXQKA
darker: 1 (eq: False, dd: False), confidence: 2, worker: ARTQWWNFA7IOD
(0: guessing, 1: probably, 2: definitely)