Red
That would be green.
orange
On an artist's color wheel, green is the complement of red. Orange is the complement of blue. On a printing color wheel, cyan is the complement of red. Yellow is the complement of blue.
A complimentary color is two colors that are across each other in the color wheel. So, the complimentary color of blue is orange.
Orange-Yellow
Contrasting color and complimentary color mean the same thing. Blue and Orange are contrasting as are red and green. On an artists color wheel six colors are arranged in a circle, red, orange, yellow, green, blue, violet. Colors opposite each other on the color wheel are contrasting or complimentary.
That would be green.
The color wheel is used for comparing and contrasting the warm and cool colors or neutral. The warm are red yellow and orange. the neutral are brown black and white. The cool and blue green and purple
The contrasting color of yellow is not violet, nor indigo, But blue. Not sky-blue, or aqua, but deep blue as seen on the left.
Contrasting and complimentary colours are the same thing. Green is a secondary colour. You achieved a secondary colour by mixing two of the three primary colour. In this case green is the mixture of Yellow and Blue. The complimentary colour to a secondary colour is the primary colour not used to create it; in this case the complimentary (or contrasting) colour to green is red.
orange
Blue
blue
orange
There are different color wheels there is a three color color wheel which is red,yellow,blue
The color of the color wheel are red , Orange , yellow , green , blue , purple , pink,
On the additive color wheel, the opposite of Orange would be Blue.