Colour contrast between text and background is important on web pages. It affects some people’s ability to perceive the information (in other words to be able to receive the information visually).
If you want high-ticket clients, proposals make or break your business. Learn how to write a winner. Most of the time, people don't believe me when I tell them that it's 100% possible to close 80% (or more) of the deals you write proposals for.
Proposal
How to Write Proposals that Win 80% of Deals — The Startup