I agree - orange/scarlet.

Vermillion is on the orange-side. Go cardinal if you want darker.

Well - I know that I have seen it, but I had to look at google. They state:

It is somewhat similar to the color scarlet. Vermilion is not on the color wheel since the color is mixed with a slight amount of grey.

Don't know if that would help, but I would probably try a darker shade - but then it too would depend on what you are stitching.

Thank you all for your answers. I just do not have all the shades of red that I need I guess. Always something new.

Yes, Vermillion is like a Fire Engine Red with a little more orange tinge to it.

Remember you can use any color you like!

Vermillion is kind of an orangy red...not one of my favorite colors...use the colors you like. Personally I like to use burgundy or wine with reds others might use shades of pink... Regardless of the colors you chose I know your design will try out well.