; check SystemUsesLightTheme for Windows system preference
RegRead, blnLightMode, HKCU, SOFTWARE\Microsoft\Windows\CurrentVersion\Themes\Personalize, AppsUseLightTheme 
if !(blnLightMode) ; else keep default colors
{
;DarkMode code
}
else
{
;LightMode code
}

return

blnlightmode:=1 为浅色

blnlightmode:=0 为深色

同一注册表位置的另一个键值 SystemUsesLightTheme 表示系统的主题色。1为浅色，0为深色