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.

Tailoring: Bags
RecipeMakesReagentsNeedsSkill-up
Linen Bag
Linen BagYellow 30Grey 65
Red Linen BagTaught by Pattern: Red Linen Bag, requires 50
Red Linen BagYellow 75Grey 110
Woolen Bag
Woolen BagYellow 75Grey 110
Green Woolen BagTaught by Pattern: Green Woolen Bag, requires 75
Green Woolen BagYellow 100Grey 135
Red Woolen BagTaught by Pattern: Red Woolen Bag, requires 90
Red Woolen BagYellow 115Grey 150
Small Silk Pack
Small Silk PackYellow 145Grey 175
Green Silk PackTaught by Pattern: Green Silk Pack, requires 140
Green Silk PackYellow 160Grey 190
Black Silk PackTaught by Pattern: Black Silk Pack, requires 150
Black Silk PackYellow 170Grey 200
Mageweave Bag
Mageweave BagYellow 205Grey 235
Red Mageweave Bag
Red Mageweave BagYellow 210Grey 240
Runecloth BagTaught by Pattern: Runecloth Bag, requires 215
Runecloth BagYellow 230Grey 260
Mooncloth BagTaught by Pattern: Mooncloth Bag, requires 255
Mooncloth BagYellow 270Grey 300
Bottomless BagTaught by Pattern: Bottomless Bag, requires 300
Bottomless Bag
  • Loom
Yellow 315Grey 345

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