white,yellow and black
Orange and navy blue match sometimes. I neon Orange doesn't match, but a "plain" orange does
harmonising colour is when you put to colours together that match for example orange and red
Although yellow is a component of orange, in this case neon orange and pastel yellow, would not be harmonious , they would clash-- big time. The brightness of a neon color would overshadow the softness of the pastel. If for some reason you must use them together, use the orange sparingly.
orange and black.
Supplementary colours are colours that are next to each other on the colour wheel. They are basically the colours that are between two prime colours not including the second prime colour. Example, Red - Red/Orange - Orange - Yellow/Orange are all supplementary to each other.
orange
Red and yellow make orange.
secondary colours: orange,green,purple
Red and orange
black and orange
The Netherlands
black and orange