Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.229423591721
Darker point darker score: 0.89458977344
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PF1VER45OVPM
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2B8MKZ6ING8E7
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3IPKVTS5K06LP
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2SNX0RFIPIO60
darker: 2 (eq: False, dd: True), confidence: 2, worker: A356FSW4GNH609 (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A3163PFOUKXQKA
darker: 2 (eq: False, dd: True), confidence: 2, worker: ABWVRVG5B5OMX (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q5IX1YGGLQML (marked invalid)
(0: guessing, 1: probably, 2: definitely)