What titanium anodizing is
Anodizing is an electrochemical process in which a thin, transparent oxide layer grows on the titanium surface. The thickness of this layer depends on the applied voltage — and it is what determines the colour. The colour comes from no dye or coating, but from the phenomenon of light interference on the oxide layer, much like a rainbow on an oil slick. That is why anodized titanium keeps its natural, metallic character, and the colour is fused into the metal rather than laid on top.
What colours can be achieved
By changing the voltage you get a predictable palette: from straw and gold, through purple, deep navy and blues, to turquoise, green and violet. You can also create tonal gradients and patterns by anodizing selected areas. The colours are saturated and unique to titanium — they cannot be achieved in silver or gold. For brands it is a way to a distinctive, “technological” aesthetic. Note that the shade depends on the exact voltage and surface preparation, so for series the repeatability of the process is crucial.
Durability and care
The oxide layer is hard and chemically stable, so the colour does not fade from light or water and does not peel like paint. It can, however, be scratched or worn away by deep abrasion, because it is very thin — a scratched area loses its colour locally. That is why anodizing works best on surfaces less exposed to friction and in pieces where the colour is an element of the design rather than the whole surface of a ring worn daily. Care is simple: water, mild detergent, a soft cloth; no abrasive pastes.
Anodizing vs plating and other finishes
Anodizing is sometimes confused with electroplating, but it is a different mechanism. Plating lays a layer of another metal (gold, rhodium) on the surface; anodizing adds no material, it only builds up titanium’s own oxide layer and changes how it reflects light. That is why an anodized colour cannot be “worn down to another metal” — underneath is always the same titanium. Other valve metals (e.g. niobium) can also be anodized, which widens the palette. The choice between anodizing and plating depends on the effect the brand wants.
Anodized titanium in production for brands
Advanced titanium processing — including laser welding and colour anodizing — is our distinctive competence, which most workshops lack. For premium and design brands it means the ability to make a collection the competition cannot reproduce in silver or gold. In production you set the colour (voltage), surface finish and anodizing pattern, and we ensure repeatability across the series. We deliver such projects as part of custom production and private label — from prototype to series, with full confidentiality.
Frequently asked questions
Is anodized titanium safe for people with allergies?
Yes. Titanium is biocompatible and hypoallergenic, and anodizing adds no allergenic metals — it only builds up the natural oxide layer. It is one of the safest materials in contact with skin.
Will the colour of anodized titanium fade?
It does not fade from light, water or cosmetics, because it is not paint but an optical effect of the oxide layer. It can, however, be scratched — deep abrasion removes the thin layer and locally changes the colour.
How does anodizing differ from electroplating?
Electroplating lays a layer of another metal (e.g. gold) on the surface. Anodizing adds no material — it builds up titanium’s own oxide layer, which gives colour through light interference. Underneath there is always titanium.