The city dyes the Chicago River green.
Chicago
Chicago dyes the Chicago River green each year to celebrate St. Patrick's Day. This tradition began in 1962 and involves using a special vegetable dye that turns the water a vibrant green for several hours. The event attracts numerous spectators and is part of the city's larger St. Patrick's Day festivities.
the windy city baby! ^I hate u
Blue and Yellow dyes
mud for brown dandelions for yellow oplants for green
Yes Red and green dyes are used to produced blue. The green is what shows up after digestion.
To make a candle burn green, you can use green colored wax or add green dye when making the candle. Be cautious when adding dyes to wax as using too much can affect the burning properties of the candle. Additionally, using eco-friendly and non-toxic dyes is recommended for safety.
You can use the technique called chromatography.
Paint, dyes, inks etc.
"There are several kinds of natural green flowers. Some of them are varieties of roses, orchids, chrysanthemum, and hydrangea. Florists may also create green flowers using dyes."
The mineral needed to make the green pigment is usually chromium oxide. It is commonly used in the manufacturing of green paints and dyes due to its bright and stable green color.