Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.128280944634
Darker point darker score: 0.132586860116
darker: 2 (eq: False, dd: False), confidence: 2, worker: A22BAUES1TIZS6
darker: 1 (eq: False, dd: True), confidence: 0, worker: AUKFRW1LVWIZ8
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2LT5VXO2LS0UL
darker: 2 (eq: False, dd: False), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A27H0BKXDPJ543
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1YQ4Z1018RM1R
(0: guessing, 1: probably, 2: definitely)