[STRAYKER]

[code]
procedure InitializeWizard();
begin
WizardForm.Font.Color:=ClBlack;
WizardForm.WelcomeLabel1.Font.Color:=ClWhite;
WizardForm.FinishedHeadingLabel.Font.Color:=ClWhite;
WizardForm.PageNameLabel.Font.Color:=ClWhite;
end;

Если нучно всё шрифты черными то
[code]
procedure InitializeWizard();
begin
WizardForm.Font.Color:=ClBlack;
WizardForm.WelcomeLabel1.Font.Color:=ClBlack;
WizardForm.FinishedHeadingLabel.Font.Color:=ClBlack;
WizardForm.PageNameLabel.Font.Color:=ClBlack;
end;