M&M's Colorant Update: The Full Breakdown

· Industry News

M&M's color transition is the most iconic case study in the global confectionery industry's shift away from FD&C synthetic colors in 2026. It doesn't just swap ingredients—it lays bare the technical ceiling of natural blue and brown, the cost of production line retrofitting, and the dual-track go-to-market strategy​ for the entire industry to see. Below is a timeline plus technical deep dive.

❤️Overall Timeline: From "2016 Full Pledge" to "2026 Channel Trial"

  • 2016: Mars pledged to remove artificial colors from all human food products, but later scrapped the full-scale reform​ due to divergent consumer attitudes globally.
  • April 2025: Under pressure from MAHA (Make America Healthy Again), the FDA announced a phased phase-out of petroleum-based synthetic colors (Red 40 / Yellow 5 / Yellow 6 / Blue 1 / Blue 2 / Green 3, etc.). Mars restarted its plan.
  • August 2026 (this month): Launched the first FD&C-free M&M's, exclusive to Amazon US, available in only 4 colors (red/orange/yellow/green); blue and brown are absent. The traditional artificial-color version remains on shelves and online​ — dual track sales.
  • Target 2028: Fully restore the classic six-color candy shell using natural ingredients.

🧡How the First 4 Colors Are Made (Red/Orange/Yellow/Green)

The natural substitution path generally follows fruit and vegetable extracts. Flavor remains unchanged; only the colorants are swapped:

  • Red → Beetroot Red
  • Yellow → Turmeric
  • Orange → Beetroot Red + Turmeric blend
  • Green → Turmeric base + Spirulina/Chlorophyll series toning (green is relatively easy; no blue pitfall here)

These four colors have high laboratory-level formulation maturity. Mars internally assessed them as ready for mass production.

💛Why Blue and Brown Disappeared — The Real Pain Points of Natural Pigment Industrialization

This is the most valuable industry sample in this update.

1. Blue: Spirulina's "7x Rule"

  • The best natural candidate to replace Blue 1 is spirulina phycocyanin.
  • To achieve the consumer-recognized "M&M's blue," the pigment dosage is approximately 7 times that of artificial Blue 1.
  • High-concentration phycocyanin solution has high viscosity and strong foaming tendency. During the sugar-coating spray process, it causes:
    • Clogged pipes and nozzles
    • Biofilm-like residues on mixing tanks and paddles, creating mold risk under high temperature and humidity
    • Cleaning requires higher water temperature, greater pressure, and longer time (Mars had to retrofit 300+ machines, replacing mixing tanks, motors, and cleaning systems)
  • Claire Hewitt, Mars' Chief Colour Officer, said verbatim: "This is the hardest thing I've ever done in my career."

2. Brown: Collateral Damage from Blue

  • Classic M&M's brown is not a standalone brown pigment — it is blended from blue + red + yellow.
  • Since the natural blue solution isn't ready, even with caramel color or cocoa shell color, you can't reproduce the original brown texture. → Brown was cut in the first wave.

3. Tested but Rejected Alternatives

  • Purple and pink single-color options were tested; senior management rejected them because they "didn't look like M&M's."
  • Considered launching with only 3 colors; ultimately settled on 4 (red/orange/yellow/green) to preserve the "rainbow feel."

💚Mars' Official Stance and Boundaries

  • Not a "full switch to natural": This is merely a new SKU addition. The traditional FD&C version continues to sell in stores and online with the same color lineup.
  • Same batch of de-colorization SKUs: M&M's, Skittles Original, Starburst Original, Extra peppermint gum — all launched FD&C-free versions in summer 2026, initially through Amazon channel.
  • No commitment to global synchronization: The first wave responds to MAHA is in the U.S. market. Whether Europe/Asia-Pacific follow, and when, depends on local regulations and consumer pressure. Mars has not given a unified timeline.
  • 2028 is an aspirational target, not a promise: Official wording is "working toward offering naturally colored M&Ms in all shades by 2028." The natural blue and brown solutions must pass three gates simultaneously: consumer color acceptance + production line cleanability + cost control.

💙Reverse Signals for the Natural Pigment Industry

M&M's battle confirms several truths that suppliers previously avoided stating publicly:

  1. Blue is the last fortress of global naturalization​ — Jagua (gardenia blue), Galdieria (thermophilic algae phycocyanin), liquid spirulina — whoever solves "low dosage + low viscosity + CIP-cleanable" first wins the confectionery and bakery big accounts.
  2. Formulation capability > single pigment ownership: Secondary colors like brown, purple, gray depend on blue. If blue is unstable, the entire neutral color palette is frozen.
  3. Production line retrofit costs are severely underestimated: Media focuses on "pigments being several times more expensive." Mars' real spending went into upgrading 300+ machines and rewriting cleaning protocols.
  4. Dual-track will be mainstream from 2026 to 2028: Brands dare not truly kill the artificial-color version (risk of losing core customer base). Launching a natural version via e-commerce exclusives or limited channels is the safest path for mass-market confectionery.