Absorbent article comprising a topsheet forming a wearer-facing surface of the absorbent article, a backsheet forming a garment-facing surface of the absorbent article and an absorbent core interposed between the topsheet and the backsheet, wherein the absorbent article comprises a nonwoven material, the nonwoven material: - comprising at least 10 %, by weight of the nonwoven material, of polyethylene terephthalate, wherein the PET is comprised by the fibers of the nonwoven material, the PET comprising less than 150 ppm of antimony as measured according to the test method set out herein in the Summary of the Invention; and - having an a* value unequal zero as measured according to the test method set out herein; and - having a b* value unequal zero as measured according to the test method set out herein; and - being covered by one or more first cover layer(s) towards the wearer-facing surface of the absorbent article, the one or more first cover layer(s) comprising or consisting of the topsheet, such that the nonwoven material does not form the wearer-facing surface of the absorbent article, wherein the delta E* value between the nonwoven material alone and the nonwoven material being covered by the one or more first cover layer(s), is at least 1.0, or at least 2.0, or at least 3.0, as measured according to the test method set out herein; and - being covered by one or more second cover layer(s) towards the garment-facing surface of the absorbent article, the one or more second cover layer(s) comprising or consisting of the backsheet, such that the nonwoven material does not form the garment-facing surface of the absorbent article, wherein the delta E* value between the nonwoven material alone and the nonwoven material being covered by the one or more second cover layer(s), is at least 1.0, or at least 2.0, or at least 3.0, as measured according to the test method set out herein. - comprising at least 10 %, by weight of the nonwoven material, of polyethylene terephthalate, wherein the PET is comprised by the fibers of the nonwoven material, the PET comprising less than 150 ppm of antimony as measured according to the test method set out herein in the Summary of the Invention; and - having an a* value unequal zero as measured according to the test method set out herein; and - having a b* value unequal zero as measured according to the test method set out herein; and - being covered by one or more first cover layer(s) towards the wearer-facing surface of the absorbent article, the one or more first cover layer(s) comprising or consisting of the topsheet, such that the nonwoven material does not form the wearer-facing surface of the absorbent article, wherein the delta E* value between the nonwoven material alone and the nonwoven material being covered by the one or more first cover layer(s), is at least 1.0, or at least 2.0, or at least 3.0, as measured according to the test method set out herein; and - being covered by one or more second cover layer(s) towards the garment-facing surface of the absorbent article, the one or more second cover layer(s) comprising or consisting of the backsheet, such that the nonwoven material does not form the garment-facing surface of the absorbent article, wherein the delta E* value between the nonwoven material alone and the nonwoven material being covered by the one or more second cover layer(s), is at least 1.0, or at least 2.0, or at least 3.0, as measured according to the test method set out herein.