It's been ages since I made a one layer card. Honestly the last dozen times or so I did, they were always white, white and black, or white with a small pop of color.
I don't believe I have ever made one with a colored cardstock base, so the One Layer Card, Colored Cardbase Challenge over at Less is More really was a challenge for me.
I tried to keep things simple. I used white ink on a navy card base. I went with a snow theme, and lightly sponged around the edges. I did round the corners of the bottom of the card as well.
I also submitted my card to the follow Challenge: