Many wearers use orange as an accent for beige and white separates.

Subjects are indicated using blue, and objects using orange.

Stay on the safe side and avoid using bitter orange during pregnancy or breast-feeding.

Avoid using bitter orange, especially in combination with stimulants such as caffeine, if you have high blood pressure.

Avoid using bitter orange, especially in combination with stimulants such as caffeine, if you have an irregular heartbeat.

Many US states and Canadian provinces now use fluorescent orange for construction signs.

Some operators use fluorescent orange instead of white.

If I use orange, brown and yellow, in a minute we'll be back at Burger King.

At the same time, retailers say they are turning to replacement products, especially many using bitter orange, a stimulant derived from a citrus fruit.

In this study they used thiazole orange as the indicator.