Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.90204870016
Darker point darker score: 0.912131186866
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CV8APDA7Y2PI
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2KFG0H3IXPFM9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2MZLVT9DB9MGK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3A45A5YUM61LK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3PX16PNFHQ5OK
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
(0: guessing, 1: probably, 2: definitely)