Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.902508016113
Darker point darker score: 0.0784850003142
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1HZWAX6XQXIM7
darker: 1 (eq: False, dd: False), confidence: 1, worker: A3FZ7C7M6VD21M (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CEPAN1MLYHSO
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3I4NM85R4LN97
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
(0: guessing, 1: probably, 2: definitely)