A light emitting diode, LED, filament lamp, comprising at least one LED filament (120, 120a, 120b) having a base portion and a top portion extending over a length, L, along a longitudinal axis, A, wherein the LED filament comprises an array of a plurality of light emitting diodes, LEDs, extending along the longitudinal axis A, and an encapsulant at least partially enclosing the plurality of LEDs, wherein the encapsulant comprises a luminescent material, the linear array of LEDs comprising a plurality N of blue LEDs emitting blue light and a plurality of M red LEDs emitting red light, the linear array of LEDs comprising a density of blue LEDs and a density of red LEDs, wherein the density of blue LEDs decreases and/or the density of red LEDs increases from the base portion to the top portion along at least a portion of the length, whereby the color temperature, CT L, of the light emitted from the at least one LED filament decreases from the base portion to the top portion over at least a portion of the length of the at least one LED filament, and wherein a first section of the at least one LED filament is defined between the base portion and an intermediate portion of the at least one LED filament, and a second section of the at least one filament is defined between the intermediate portion and the top portion of the at least one LED filament, wherein the density of blue LEDs decreases and/or the density of red LEDs increases along the first section and remains constant along the second section, whereby the color temperature of the light emitted from the at least one LED filament decreases along the first section and remains constant along the second section. at least one LED filament (120, 120a, 120b) having a base portion and a top portion extending over a length, L, along a longitudinal axis, A, wherein the LED filament comprises an array of a plurality of light emitting diodes, LEDs, extending along the longitudinal axis A, and an encapsulant at least partially enclosing the plurality of LEDs, wherein the encapsulant comprises a luminescent material, the linear array of LEDs comprising a plurality N of blue LEDs emitting blue light and a plurality of M red LEDs emitting red light, the linear array of LEDs comprising a density of blue LEDs and a density of red LEDs, wherein the density of blue LEDs decreases and/or the density of red LEDs increases from the base portion to the top portion along at least a portion of the length, whereby the color temperature, CT L, of the light emitted from the at least one LED filament decreases from the base portion to the top portion over at least a portion of the length of the at least one LED filament, and wherein a first section of the at least one LED filament is defined between the base portion and an intermediate portion of the at least one LED filament, and a second section of the at least one filament is defined between the intermediate portion and the top portion of the at least one LED filament, wherein the density of blue LEDs decreases and/or the density of red LEDs increases along the first section and remains constant along the second section, whereby the color temperature of the light emitted from the at least one LED filament decreases along the first section and remains constant along the second section.