Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0444449277336
Darker point darker score: 0.952656081819
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DJDT4B5B19Q2
darker: 2 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 0, worker: A1Z3RPPYNUUT0Z
darker: E (eq: True, dd: None), confidence: 2, worker: AEHEZAYCPWF0E
darker: 2 (eq: False, dd: True), confidence: 2, worker: AKG5TLUQ2WWED
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7S0IDTDA59QN
(0: guessing, 1: probably, 2: definitely)