chg: [textColourHelper] Little tweaking to prefer black text
chg: [textColourHelper] Little tweaking to prefer black text

SteveClement/MISP,FIRSTdotorg/MISP,MISP/MISP,FIRSTdotorg/MISP,MISP/MISP,SteveClement/MISP,FIRSTdotorg/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,FIRSTdotorg/MISP,MISP/MISP,MISP/MISP,SteveClement/MISP