Madder Orange

Orange (colour)

Orange is the colour between yellow and red on the spectrum of visible light. The human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In traditional colour theory, it is a secondary colour of pigments, produced by mixing yellow and red. In the RGB colour model, it is a tertiary colour. It is named after the fruit of the same name.

Rubia

Rubia is the type genus of the Rubiaceae family of flowering plants, which also contains Coffea (coffee). It contains around 80 species of perennial scrambling or climbing herbs and subshrubs native to the Old World.

madder

Noun

1. A herbaceous plant, Rubia tinctorum, native to Asia, cultivated for a red-purple dye (alizarin) obtained from the root.
2. The root of the plant, used as a medicine or a dye.

Adjective

1. Of a deep reddish purple colour, like that of the dye.

orange

Noun

1. An evergreen tree of the genus Citrus such as Citrus sinensis which yields oranges (the fruit).
2. Any round citrus fruit with a yellow-red colour when ripe and a sour-sweet taste; the fruit of the orange tree.

Adjective

1. Having the colour of the fruit of an orange tree; yellowred; reddish-yellow.