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 Bracers
RecipeMakesReagentsNeedsSkill-up
Copper Bracers
Copper Bracers
  • Blacksmith Hammer
  • Anvil
Yellow 20Grey 60
Azure Skyforged WristguardsTaught by Plans: Azure Skyforged Wristguards, requires 50
Azure Skyforged Wristguards
  • Blacksmith Hammer
  • Anvil
Yellow 55Grey 60
Cloudy Skyforged WristguardsTaught by Plans: Cloudy Skyforged Wristguards, requires 50
Cloudy Skyforged Wristguards
  • Blacksmith Hammer
  • Anvil
Yellow 55Grey 60
Runed Copper Bracers
Runed Copper Bracers
  • Blacksmith Hammer
  • Anvil
Yellow 90Grey 115
Rough Bronze BracersTaught by Unrevealed item #5577
Rough Bronze Bracers
  • Blacksmith Hammer
  • Anvil
Yellow 115Grey 145
Patterned Bronze Bracers
Patterned Bronze Bracers
  • Blacksmith Hammer
  • Anvil
Yellow 125Grey 155
Green Iron Bracers
Green Iron Bracers
  • Blacksmith Hammer
  • Anvil
Yellow 165Grey 190
Golden Scale Bracers
Golden Scale Bracers
  • Blacksmith Hammer
  • Anvil
Yellow 185Grey 210
Hard Gold BracersTaught by Plans: Hard Gold Bracers, requires 160
Hard Gold Bracers
  • Blacksmith Hammer
  • Anvil
Yellow 185Grey 210
Mithril Plate BracersTaught by Plans: Mithril Plate Bracers, requires 190
Mithril Plate Bracers
  • Blacksmith Hammer
  • Anvil
Yellow 210Grey 230

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