Fashion tips..........................…

i just bought a new flowery dress, the colors of the flower is deep pink and the roots are vegas gold...and there's a vegas gold top sewn to it..am confused whether to wear a black or deep pink cardigan on it, and what color of leggings should i wear..and other stuff like the color of bag, i wanna keep it simple and chic, and wat about the accesories......thx 4 ur help in advance