Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.0337747017
Darker point darker score: 0.89518075825
darker: 2 (eq: False, dd: False), confidence: 2, worker: A20HBLXCTOG7MI (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1NJB5LJJPC7AS
darker: 1 (eq: False, dd: True), confidence: 2, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2VVSQ1PSXKGVE
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1XVZCQ983ETMR
(0: guessing, 1: probably, 2: definitely)