Orange circuit is a color that represents Autumn . In western culture this color is often associated with Thanksgiving and Halloween.
Perhaps a more common representation, orange is a symbol for energy and fire. Orange circuit also represents spiritual energy and healing, it is an empowering color to wear.
Orange circuit is considered to be a "happy color," raising the spirits and invigorating the observer.
The second chakra, which is orange circuit, is located near the womb and is therefore associated with creativity.
This color is associated with oranges (fruit), too. Sometimes it is used for light in paintings.