Sure, some holiday color pairings are obvious—red, white and blue for the Fourth of July, or green for St. Patrick’s Day. But Halloween’s iconic shades feel a little more mysterious. Is it just about ...

The process to change from petroleum-based dyes to colors made from vegetables, fruits, flowers and even insects won't be easy. Full Episode. ... an orange-red color made from algae.

“With this red, it needs a little more orange,” Tampow said, mixing a slurry of purplish black carrot juice with a bit of beta-carotene, an orange-red color made from algae. Tampow is part of ...

As pressure grows to get artificial colors out of the U.S. food supply, the shift may well start at Abby Tampow’s laboratory desk. ... an orange-red color made from algae.

As pressure grows to get artificial colors out of the U.S. food supply, the shift may well start at Abby Tampow’s laboratory desk. ... an orange-red color made from algae.

"With this red, it needs a little more orange," Tampow said, mixing a slurry of purplish black carrot juice with a bit of beta-carotene, an orange-red color made from algae.

"With this red, it needs a little more orange," Tampow said, mixing a slurry of purplish black carrot juice with a bit of beta-carotene, an orange-red color made from algae.

"With this red, it needs a little more orange," Tampow said, mixing a slurry of purplish black carrot juice with a bit of beta-carotene, an orange-red color made from algae.

"With this red, it needs a little more orange," Tampow said, mixing a slurry of purplish black carrot juice with a bit of beta-carotene, an orange-red color made from algae.

"With this red, it needs a little more orange," Tampow said, mixing a slurry of purplish black carrot juice with a bit of beta-carotene, an orange-red color made from algae.

Companies have long used the Red 3 synthetic dye to create what Sensient officials describe as “the Barbie pink.” To create that color with a natural source might require the use of cochineal, an ...