Source : Webster's Revised Unabridged Dictionary (1913)

Yellow \Yel"low\, n.
   1. A bright golden color, reflecting more light than any
      other except white; the color of that part of the spectrum
      which is between the orange and green. ``A long motley
      coat guarded with yellow.'' --Shak.

   2. A yellow pigment.

   {Cadmium yellow}, {Chrome yellow}, {Indigo yellow}, {King's
   yellow}, etc. See under {Cadmium}, {Chrome}, etc.

   {Naples yellow}, a yellow amorphous pigment, used in oil,
      porcelain, and enamel painting, consisting of a basic lead
      metantimonate, obtained by fusing together tartar emetic
      lead nitrate, and common salt.

   {Patent yellow} (Old Chem.), a yellow pigment consisting
      essentially of a lead oxychloride; -- called also
      {Turner's yellow}.

Chrome \Chrome\, n.
   Same as {Chromium}.

   {Chrome alum} (Chem.), a dark violet substance,
      {(SO4)3Cr2.K2SO4.24H2O}, analogous to, and crystallizing
      like, common alum. It is regarded as a double sulphate of
      chromium and potassium.

   {Chrome green}
   (a) The green oxide of chromium, {Cr2O3}, used in enamel
       painting, and glass staining.
   (b) A pigment made by mixing chrome yellow with Prussian
       blue.

   {Chrome red}, a beautiful red pigment originally prepared
      from the basic chromate of lead, but now made from red
      oxide of lead.

   {Chrome yellow}, a brilliant yellow pigment, {PbCrO4}, used
      by painters.

Source : WordNet®

chrome yellow
     n 1: any of several yellow pigments consisting of normal lead
          chromate and other lead compounds
     2: yellow pigment consisting of neutral lead chromate