Wedding invitation

A friend reached out to me to ask if i could design her wedding invitation. These are the comments about the wedding she provided:

"For colors we are using sunflower yellow, charcoal grey, light grey, white, and black. You do not have to use all those colors, but I just thought I'd let you know the color scheme..... like I mentioned before our reception will be picnic themed with checkered tablecloths. I plan to use sunflowers and daisies for the flowers."

This is the design i came up with: