Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.943772628307
Darker point darker score: 0.0863300108988
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1E9VI5RSZI31F
darker: 1 (eq: False, dd: True), confidence: 0, worker: A2Q27LZW3VNDIP
darker: 1 (eq: False, dd: True), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 1, worker: A1YQ4Z1018RM1R
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1H10UJNXTJDX4
darker: 2 (eq: False, dd: False), confidence: 2, worker: AE808DQDYM9F
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2YYHNACJ8MFTU
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3DY9JPLPQUN1O
(0: guessing, 1: probably, 2: definitely)