Efficient white lamp for vehicle headlight

A vehicle headlight comprising:

• an incandescent lamp including a transparent vessel,
• wherein the transparent vessel encloses at least one filament,
• wherein the transparent vessel is at least partly covered with a coating,
• wherein the coating comprises at least one pigment, wherein the at least one pigment is arranged such that light emitted by the at least one filament and traversing the coating is transformed to transformed light,
• wherein the transformed light is characterized by a chromaticity according to the CIE 1931 xy-chromaticity with y being in between the Planckian locus and y=0.5*x+0.205 and 0.36<x<0.42, and
• wherein the at least one pigment comprises a mixture of Co—Al oxide and Co—Al—Cr oxide, the mixture being characterized by a ratio of a concentration in mass percentage Cm(Co—Al oxide) of Co—Al oxide and a concentration in mass percentage Cm(Co—Al—Cr oxide) of Co—Al—Cr oxide in the coating of 90/10≥Cm(Co—Al oxide)/Cm(Co—Al—Cr oxide)≥30/70.