Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.969751787893
Darker point darker score: -0.254503196163
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3FHD8CKWUQK61
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2TP6GDF71HM4M
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1LL128T7JNJ39
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AE6N096CSI5HT
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3P8OM5PDCFZNE
(0: guessing, 1: probably, 2: definitely)