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.

Enchanting: Two-Handed Weapon Enchants
RecipeMakesReagentsNeedsSkill-up
Enchant 2H Weapon - Lesser IntellectTaught by Formula: Enchant 2H Weapon - Lesser Intellect, requires 100
  • Runed Copper Rod
Yellow 130Grey 170
Enchant 2H Weapon - Minor Impact
  • Runed Copper Rod
Yellow 130Grey 170
Enchant 2H Weapon - Lesser SpiritTaught by Formula: Enchant 2H Weapon - Lesser Spirit, requires 110
  • Runed Copper Rod
Yellow 135Grey 175
Enchant 2H Weapon - Lesser Impact
  • Runed Silver Rod
Yellow 170Grey 210
Enchant 2H Weapon - Impact
  • Runed Golden Rod
Yellow 220Grey 260
Enchant 2H Weapon - Lesser AgilityTaught by Formula: Enchant 2H Weapon - Lesser Agility, requires 210
  • Runed Truesilver Rod
Yellow 230Grey 270
Enchant 2H Weapon - Lesser StrengthTaught by Formula: Enchant 2H Weapon - Lesser Strength, requires 220
  • Runed Truesilver Rod
Yellow 240Grey 280
Enchant 2H Weapon - Greater Impact
  • Runed Truesilver Rod
Yellow 260Grey 300
Enchant 2H Weapon - StrengthTaught by Formula: Enchant 2H Weapon - Strength, requires 290
  • Runed Arcanite Rod
Yellow 295Grey 300
Enchant 2H Weapon - AgilityTaught by Formula: Enchant 2H Weapon - Agility, requires 290
  • Runed Arcanite Rod
Yellow 310Grey 350
Enchant 2H Weapon - Superior ImpactTaught by Formula: Enchant 2H Weapon - Superior Impact, requires 295
  • Runed Arcanite Rod
Yellow 315Grey 355
Enchant 2H Weapon - Major IntellectTaught by Formula: Enchant 2H Weapon - Major Intellect, requires 300
  • Runed Arcanite Rod
Yellow 320Grey 360
Enchant 2H Weapon - Major SpiritTaught by Formula: Enchant 2H Weapon - Major Spirit, requires 300
  • Runed Arcanite Rod
Yellow 320Grey 360
Enchant 2H Weapon - Mighty Healing PowerTaught by Formula: Enchant 2H Weapon - Mighty Healing Power, requires 300
  • Runed Arcanite Rod
Yellow 320Grey 360
Enchant 2H Weapon - Mighty Spell PowerTaught by Formula: Enchant 2H Weapon - Mighty Spell Power, requires 300
  • Runed Arcanite Rod
Yellow 320Grey 360
Enchant 2H Weapon - SpellblastingTaught by Formula: Enchant 2H Weapon - Spellblasting, requires 300
  • Runed Arcanite Rod
Yellow 320Grey 360

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