Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.0544055166461
Darker point darker score: 0.999718847074
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KITOCUU7GERN
darker: E (eq: True, dd: None), confidence: 0, worker: A2FQSVTAOL5GUC
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 2 (eq: False, dd: True), confidence: 2, worker: A39SAJGZKMYJE9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1ABA3S1BGNCWW
(0: guessing, 1: probably, 2: definitely)