Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.885505982778
Darker point darker score: 0.924559394034
darker: 2 (eq: False, dd: True), confidence: 2, worker: AUD3A4YDWWZCY (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2BAHM8BSHLXG2
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2B8MKZ6ING8E7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1I4YHF7RG58DV
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A36XRHW6R8MU0C
(0: guessing, 1: probably, 2: definitely)