Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.222268060075
Darker point darker score: 0.259809229938
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QW1C79IH4GOG
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1RU9BQLDZ1DSY (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NX9Q0EAOPYN3
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3U65EZ76A3HCN
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1GY0P2ZEJ1RK7
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)