Thank you for your motivating words, Sterling! It is indeed quite scray to post WIW photos, but the responses of the forum members are very comforting and helpful.
Toban, thank you! I have a hard time finding flattering trousers (length and waist/hips ratio issues) and I'm glad to read that my efforts and patience were worth it!
Thank you Zaeobi for your idea of a lighter column of color for #4, it may indeed help! My issue with this outfit as workwear is the emphasis the contrast and silhouette put on my hips. Less contrast, less emphasis, less issues : sounds good!
Thank you Gigi for your support!