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.
orange
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.
Red and yellow make orange.
secondary colours: orange,green,purple
They are colours that do not match
they where orange
Red and orange
black and orange