Imagine yourself driving and coming across a green stop sign. Do you stop or keep going?
Whatever you chose to do, you probably had to think about it. And that usually spells fear, doubt, and uncertainty.
Don’t try to reinvent the wheel. Most websites that try to do something new often come across gimmicky and hard to use.
Keep things simple and use the current website conventions. For example, if most websites have their navigation on the left or top, you might consider doing the same also.