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KT-97554 Colorshift Pearls Green/Blue for automotive coatings
KT-97554 is a green-to-blue colorshift pearl pigment from our KT-9000 Magic Chameleon Series — a multi-layer inorganic effect pigment on natural mica substrate, coated with TiO₂, Fe₂O₃, silica, and tin oxide to produce a pronounced angle-dependent color travel. With a particle size range of 30–115 μm and a D50 of 46–58 μm, it's engineered for automotive basecoat systems where a deep, shifting green/blue goniochromatic effect is the design goal.
The KT-9000 Magic Chameleon Series is built around a single optical principle: interference from multiple thin-film oxide layers deposited on a mica platelet. When the viewing angle changes, so does the dominant wavelength of reflected light. In KT-97554, that shift reads as a clean green-to-blue travel — not a subtle tint variation, but a distinctly different perceived color at different observation angles.
That effect comes from a five-component stack: mica as the structural platelet, silica as a spacer and optical tuning layer, TiO₂ for baseline interference, Fe₂O₃ to introduce warmth and deepen the shift, and a trace of tin oxide for surface functionality. The chemistry is entirely inorganic, which translates to inherent lightfastness — a key requirement in exterior automotive applications where UV degradation of organic colorants is a recurring problem.
At Kolortek, we've seen this series used extensively by custom automotive shops and OEM coating suppliers. The feedback is consistent: the green/blue shift reads well under both natural daylight and artificial garage lighting, and it responds strongly to panel curvature — curved body sections show more apparent color travel than flat panels, which is exactly what the custom market wants.
| Property | Value |
|---|---|
| Product Code | KT-97554 |
| Series | KT-9000 Magic Chameleon |
| Form | Powder |
| Color / Effect | Green/Blue (angle-dependent color shift) |
| Particle Size Range | 30–115 μm |
| D50 | 46–58 μm |
| Density | 2.6–3.2 kg/L |
| pH (4% H₂O) | 6.0–9.0 |
| Odour | Odourless |
| Solubility in Water | Insoluble |
| INCI Name | Mica, Silica, Titanium Dioxide, Iron Oxide, Tin Oxide |
| CLP Classification | Not classified |
| Component | C.I. Number | Content (%) |
|---|---|---|
| Mica | 77019 | 54.0–58.0% |
| Silica | — | 24.0–28.0% |
| Titanium Dioxide | 77891 | 8.0–12.0% |
| Iron Oxide | 77491 | 5.0–9.0% |
| Tin Oxide | 77861 | 0–1.0% |
KT-97554 is primarily developed for high-end automotive finishing — specifically basecoat/clearcoat systems used in custom builds, show cars, modified vehicles, and specialty OEM programs. The large platelet size (D50 46–58 μm) supports strong specular reflection and visible color travel; smaller platelets would reduce the angle-shift magnitude.
Substrate color is not a secondary consideration here — it's a formulation decision. On black or very dark bases, the green/blue shift comes through with maximum contrast. On white or light substrates, the interference colors are diluted by the base reflectance and the effect is noticeably weaker. For any serious automotive application, a dark basecoat is the starting point.
Beyond automotive, the KT-9000 series is used in motorcycle helmet finishes, luxury packaging, security/anti-counterfeiting printing, and decorative coatings on sporting goods. The fully inorganic composition also makes it compatible with industrial coating systems, powder coatings, and synthetic leather finishing.
Our application guidelines for the KT-9000 series in automotive systems are built around preserving platelet integrity. These are large, layered platelets — the color shift mechanism depends on flat, undamaged surfaces. Anything that shears, fractures, or misaligns those platelets reduces the optical effect.
In our experience, the most common formulation errors with chameleon pigments in car paint fall into three categories:
KT-97554 is compatible with most resin systems used in automotive coatings. It can also be combined with transparent absorption pigments to modify the base color tone or narrow the apparent shift range — a common technique when matching to an existing color program.
KT-97554 sits within a broad series structure. The KT-9000 Magic Chameleon range includes duochrome (2-color shift), standard multicolor, and TiO₂-free chameleon variants across sub-series 96000, 96200, 96300, 96500, 97000, 98000, and 98500 — over 100 active grades. The 97000 and 98000 sub-series are specifically configured for multi-layer interference producing three or more distinct color shifts.
A few multicolor reference grades to illustrate the range:
| Product Code | Color Name | Particle Size |
|---|---|---|
| KT-972106 | Golden Green | 10–60 μm |
| KT-972206 | Red Golden | 10–60 μm |
| KT-973206 | Violet Red | 10–60 μm |
| KT-974206 | Blue Violet | 10–60 μm |
If the green/blue shift of KT-97554 doesn't align precisely with your color travel requirement, we can recommend alternative grades within the series. The range is wide enough to cover most automotive color-shift programs.
KT-97554 is produced under our ISO 9001:2015 quality management system, which covers production and sales of pigments and glitters. The product is subject to REACH Regulation (EC) No. 1907/2006 and is not classified under CLP (Regulation (EC) No. 1272/2008) or the earlier Directives 67/548/EEC and 1999/45/EC.
Heavy metal content is controlled to the following limits:
| Element | Limit | Element | Limit |
|---|---|---|---|
| As | < 2 ppm | Pb | < 10 ppm |
| Hg | < 1 ppm | Cr | < 100 ppm |
| Ba | < 50 ppm | Sb | < 1 ppm |
| Ni | < 10 ppm | Cu | < 50 ppm |
| Cd | < 3 ppm | Zn | < 50 ppm |
What substrate color is required for KT-97554 to show its full green/blue color shift?
KT-97554 requires a dark — ideally black — substrate to develop its full goniochromatic effect. The interference colors generated by the multi-layer TiO₂/Fe₂O₃/silica coating on mica are angle-dependent but low in opacity. On white or light substrates, the base reflectance competes with the interference signal, significantly reducing the apparent color travel. For automotive applications, a dark basecoat is standard practice with this pigment.
What loading rate should I use for KT-97554 in an automotive basecoat?
The recommended range for the KT-9000 series in automotive basecoats is 1–10% pigment by weight, targeting a dry film thickness of 15–25 μm. Exceeding the upper loading limit causes platelet stacking that blocks the interference effect rather than enhancing it. We recommend starting at 3–5% and adjusting based on spray trials, rather than increasing pigment loading to compensate for a weak effect — weak effects are usually a substrate or application issue, not a concentration issue.
How does KT-97554 compare to other color shift pearl pigment grades in the KT-9000 series — specifically duochrome vs. multicolor?
KT-97554 is a duochrome grade — it shifts between two primary colors (green and blue) depending on the viewing angle. Multicolor grades in the 97000 and 98000 sub-series use additional interference layers to produce three or more distinct color transitions across the angle range. Multicolor variants like KT-972106 (Golden Green) and KT-974206 (Blue Violet) occupy a different tier of optical complexity. The right choice depends on the number of color transitions required by the design specification.
Is KT-97554 suitable for applications beyond automotive — such as industrial coatings or plastics?
Yes. The KT-9000 series is compatible with industrial and plastic coatings, powder coatings, leather coatings, dispersion paints, and high-security printing applications including banknotes and negotiable securities. The fully inorganic composition — mica, silica, TiO₂, Fe₂O₃, tin oxide — gives it broad chemical compatibility across resin systems. That said, automotive custom finishing remains its strongest application context, where the visual impact of the green/blue shift is most commercially valuable.
Reach out to our technical team to discuss formulation requirements or to request a sample of KT-97554 for your specific application system.
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