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.

Leatherworking: Leather Pauldrons
RecipeMakesReagentsNeedsSkill-up
Hillman's Shoulders
Hillman's ShouldersYellow 130Grey 155
Earthen Leather ShouldersTaught by Pattern: Earthen Leather Shoulders, requires 110
Earthen Leather ShouldersYellow 135Grey 160
Dark Leather ShouldersTaught by Pattern: Dark Leather Shoulders, requires 115
Dark Leather ShouldersYellow 140Grey 165
Barbaric Shoulders
Barbaric ShouldersYellow 170Grey 190
Azure Gustwoven SpauldersTaught by Pattern: Azure Gustwoven Spaulders, requires 175
Azure Gustwoven SpauldersYellow 185Grey 190
Azure Windraveled DrapesTaught by Pattern: Azure Windraveled Drapes, requires 175
Azure Windraveled DrapesYellow 185Grey 190
Cloudy Gustwoven SpauldersTaught by Pattern: Cloudy Gustwoven Spaulders, requires 175
Cloudy Gustwoven SpauldersYellow 185Grey 190
Cloudy Windraveled DrapesTaught by Pattern: Cloudy Windraveled Drapes, requires 175
Cloudy Windraveled DrapesYellow 185Grey 190
Nightscape ShouldersTaught by Pattern: Nightscape Shoulders, requires 185
Nightscape ShouldersYellow 205Grey 225
Wild Leather ShouldersTaught by Pattern: Wild Leather Shoulders, requires 195
Wild Leather ShouldersYellow 215Grey 235
Mender's Leather ShouldersTaught by Pattern: Mender's Leather Shoulders, requires 210
Mender's Leather ShouldersYellow 230Grey 250
Prowler's Leather ShouldersTaught by Pattern: Prowler's Leather Shoulders, requires 210
Prowler's Leather ShouldersYellow 230Grey 250
Skulker's Leather ShouldersTaught by Pattern: Skulker's Leather Shoulder, requires 210
Skulker's Leather ShoulderYellow 230Grey 250
Skycaller's Leather ShouldersTaught by Pattern: Skycaller's Leather Shoulders, requires 210
Skycaller's Leather ShouldersYellow 230Grey 250
Warden's Leather ShouldersTaught by Pattern: Warden's Leather Shoulders, requires 210
Warden's Leather ShouldersYellow 230Grey 250
Ironfeather ShouldersTaught by Pattern: Ironfeather Shoulders, requires 245
Ironfeather ShouldersYellow 265Grey 285
Living ShouldersTaught by Pattern: Living Shoulders, requires 245
Living ShouldersYellow 265Grey 285
Blue Suede ShouldersTaught by Pattern: Blue Suede Shoulders, requires 260
Blue Suede ShouldersYellow 280Grey 300
Stormshroud ShouldersTaught by Pattern: Stormshroud Shoulders, requires 270
Stormshroud ShouldersYellow 290Grey 310
Wicked Leather ShouldersTaught by Pattern: Wicked Leather Shoulders, requires 270
Wicked Leather ShouldersYellow 290Grey 310
Tooled Leather EpauletsTaught by Pattern: Tooled Leather Epaulets, requires 275
Tooled Leather EpauletsYellow 295Grey 315
Volcanic ShouldersTaught by Pattern: Volcanic Shoulders, requires 280
Volcanic ShouldersYellow 300Grey 320
Runic Leather ShouldersTaught by Pattern: Runic Leather Shoulders, requires 285
Runic Leather ShouldersYellow 305Grey 325
Golden Mantle of the DawnTaught by Pattern: Golden Mantle of the Dawn, requires 295Taught by Pattern: Golden Mantle of the Dawn, requires 300
Golden Mantle of the Dawn
  • Sewing Machine
Yellow 315Grey 335
Grimstitch SpauldersTaught by Pattern: Grimstitch Spaulders, requires 300
Unrevealed item #273930
  • Sewing Machine
Yellow 320Grey 330
Grovekeeper MantleTaught by Pattern: Grovekeeper Mantle, requires 300
Unrevealed item #273890
  • Sewing Machine
Yellow 320Grey 330
Grovekeeper PauldronsTaught by Pattern: Grovekeeper Pauldrons, requires 300
Unrevealed item #273894
  • Sewing Machine
Yellow 320Grey 330
Grovekeeper ShoulderpadsTaught by Pattern: Grovekeeper Shoulderpads, requires 300
Unrevealed item #273886
  • Sewing Machine
Yellow 320Grey 330
Grovekeeper SpauldersTaught by Pattern: Grovekeeper Spaulders, requires 300
Unrevealed item #273898
  • Sewing Machine
Yellow 320Grey 330
Blood Tiger ShouldersTaught by Pattern: Blood Tiger Shoulders, requires 300
Blood Tiger ShouldersYellow 320Grey 340

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