Maybe not. Especially if you're colorblind.
Color + Design Blog has a great tool to see how your website looks to someone else's eyes. As that blog notes, "In the U.S. 7% of the male population – or about 10.5 million men – and 0.4% of the female population either cannot distinguish red from green, or see red and green differently." The direct link is for the Colorblind Web Page Filter, but read the whole post at Color + Design.
Thanks to American Libraries Direct for the link.