Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.02716805309
Darker point darker score: 0.928626979847
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2K4WWF11Q0R9W
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2T2OXP4DAUXEY (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: ATWGPR2A3M7WU (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2SNX0RFIPIO60
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3JJAFR9BRLG0
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1MQPBGSL800TL
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1JHVZIC3FH9LG
(0: guessing, 1: probably, 2: definitely)