BFP not getting darker really?

Britney • young mom of 1 soon to be 2. due in October ♡ boy mom 👶🎈🎈

so I've gotten my bfp and have had it for about 5 days now but I'm 4 weeks 5 days and the line isn't anywhere near as dark as the control line yet . should I be worried??? with my last pregnancy it got super dark very quickly. I took the clear blue days ago and cheapie today .