Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.766715812753
Darker point darker score: 0.539804899547
darker: 2 (eq: False, dd: True), confidence: 0, worker: A16R0TZXN94V6Z
darker: E (eq: True, dd: None), confidence: 2, worker: A15WUXCQBQZ0VW
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: True), confidence: 2, worker: A390HYGLCX40HE
darker: 2 (eq: False, dd: True), confidence: 2, worker: AE808DQDYM9F
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1Y5DMCQYLVL74
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1ZGOZQF2VZ0X9 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2YYHNACJ8MFTU
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2FNC7KTCBF9IT
(0: guessing, 1: probably, 2: definitely)