What Colour Balloons Go Well Together?

What Colour Balloons Go Well Together? Yellow and Blue: Playful and Authoritative. Navy and Teal: Soothing or Striking. Black and Orange: Lively and Powerful. Maroon and Peach: Elegant and Tranquil. Deep Purple and Blue: Serene and Dependable. Navy and Orange: Entertaining yet Credible. Which Colour is best for birthday decoration? Sunshine Yellow. Perhaps the cheeriest