Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.985448155124
Darker point darker score: 0.966261884499
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1GM94HPPS4SS0
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2S9J5W3VOD0M6
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DRFDGG2KCOI2 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A390HYGLCX40HE
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3KUGXG2Y6X7BD
(0: guessing, 1: probably, 2: definitely)