If I'm totally honest, I'm not altogether happy with the buttons. I wish I'd either used smaller ones or only made three button holes. Having aleady frogged the border once and replaced the buttons once, I had had enough though.
Also, the buttons are left over from a long-dead H&M cardigan and the button jar had nothing else to offer in grey. And I do like the grey. It goes fabulously well with the pistachio. The rest of the cushion I love. The colour scheme is very me - I am a greeny-bluey person. For those who are interested, I used Rico Creative Cotton for this project in the following shades:
37 Sky Blue
64 Candy Pink
I reckon I used a ball of each and two balls of the white. The granny square pattern (circle in a square) can be found on Sucrette's blog.