Each recipe is orange until its yellow rank and grey from its grey rank. When the ranks differ, it turns green somewhere between the two; the client files give both ranks but not that point. Equal ranks go straight to grey.

Blacksmithing: Mail Pauldrons
RecipeMakesReagentsNeedsSkill-up
Rough Bronze Shoulders
Rough Bronze Shoulders
  • Blacksmith Hammer
  • Anvil
Yellow 115Grey 145
Silvered Bronze ShouldersTaught by Plans: Silvered Bronze Shoulders, requires 100
Silvered Bronze Shoulders
  • Blacksmith Hammer
  • Anvil
Yellow 130Grey 160
Sterling Silver ShouldersTaught by Plans: Sterling Silver Shoulders, requires 110
Sterling Silver Shoulders
  • Blacksmith Hammer
  • Anvil
Yellow 140Grey 170
Barbaric Iron ShouldersTaught by Plans: Barbaric Iron Shoulders, requires 135
Barbaric Iron Shoulders
  • Blacksmith Hammer
  • Anvil
Yellow 160Grey 185
Green Iron ShouldersTaught by Plans: Green Iron Shoulders, requires 135
Green Iron Shoulders
  • Blacksmith Hammer
  • Anvil
Yellow 160Grey 185
Golden Scale ShouldersTaught by Plans: Golden Scale Shoulders, requires 150
Golden Scale Shoulders
  • Blacksmith Hammer
  • Anvil
Yellow 175Grey 200
Azure Skyforged PauldronsTaught by Plans: Azure Skyforged Pauldrons, requires 175
Azure Skyforged Pauldrons
  • Blacksmith Hammer
  • Anvil
Yellow 185Grey 190
Cloudy Skyforged PauldronsTaught by Plans: Cloudy Skyforged Pauldrons, requires 175
Cloudy Skyforged Pauldrons
  • Blacksmith Hammer
  • Anvil
Yellow 185Grey 190
Hard Gold PauldronsTaught by Plans: Hard Gold Pauldrons, requires 175
Hard Gold Pauldrons
  • Blacksmith Hammer
  • Anvil
Yellow 200Grey 225
Mithril Plate ShouldersTaught by Plans: Mithril Plate Shoulders, requires 210
Mithril Plate Shoulders
  • Blacksmith Hammer
  • Anvil
Yellow 230Grey 250
Bloodsoul ShouldersTaught by Plans: Bloodsoul Shoulders, requires 300
Bloodsoul Shoulders
  • Blacksmith Hammer
  • Anvil
Yellow 320Grey 340
Fiery Chain ShouldersTaught by Plans: Fiery Chain Shoulders, requires 300
Fiery Chain Shoulders
  • Blacksmith Hammer
  • Black Anvil
Yellow 320Grey 340

From the Forever beta client files, build 1.60.1.70630: the SkillLine, SkillLineAbility, TradeSkillCategory, SpellReagents, SpellEffect, SpellTotems, SpellCastingRequirements and ItemEffect tables.