Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

Six light color treatments were established with a photoperiod of 12L:12D (light period: 07:30-19:30) and total light intensity of 150 lx: 12 h white light + 12 h dark (12 W, full spectrum); 12 h blue ...

The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...

In the hit movie “Wicked,” those famous magical shoes are silver. But if you want to see them in all their ruby-red glory ...

From Tuscany, Piedmont, Friuli, Abruzzo and Molise come hearty red wines from five producers. Grapes include Montepulciano, ...

Whether you're wearing brown, blue or green lenses, this is how your sunglasses' color affects their performance.

During a search of the vehicle, officers located methamphetamine pills, marijuana, a black digital scale, and suboxone strips ...

On the color wheel, analogous colors are neighbors, sitting right next to each other. Think of red and orange, yellow and green, or blue and purple.

In new research published in the Journal of the Science of Food and Agriculture, investigators have discovered how red and blue LED light can stimulate color change in mandarin fruit.

Centuries before the now-banned red dye No. 3 was synthesized in a lab, humans turned to insects to color their foods, ...

Plants need light to grow, and while natural sunlight is ideal, artificial lighting can also support healthy growth, ...

Citrus fruit rind color has long been used as an indicator of ripeness, but for some fruits such as mandarin fruit in the Chongqing region of China ...