Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.383742601831
Darker point darker score: 0.116378240776
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2631BM7J7H37K
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3N6C8962TXPVH
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2ZRJMJTE6ID97
darker: E (eq: True, dd: None), confidence: 2, worker: AFJ9O7OL23SQ9
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1IOJ2LGMGISYM
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
(0: guessing, 1: probably, 2: definitely)