Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -1.16003346786
Darker point darker score: 1.07888084989
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PIU3R3IE6VDW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A15XHPD9NN0LU2
darker: 2 (eq: False, dd: True), confidence: 2, worker: AHPLLAN8B13W2
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RX3MRFR56U4Q (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1YQ4Z1018RM1R
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2V83AS7LPINAN
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
(0: guessing, 1: probably, 2: definitely)