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.

Engineering: Fireworks
RecipeMakesReagentsNeedsSkill-up
Small Blue RocketTaught by Schematic: Small Blue Rocket, requires 125
5 × Small Blue RocketYellow 125Grey 150
Small Green RocketTaught by Schematic: Small Green Rocket, requires 125
5 × Small Green RocketYellow 125Grey 150
Small Purple RocketTaught by Schematic: Small Purple Rocket, requires 125
5 × Small Purple RocketYellow 125Grey 150
Small Red RocketTaught by Schematic: Small Red Rocket, requires 125
5 × Small Red RocketYellow 125Grey 150
Small White RocketTaught by Schematic: Small White Rocket, requires 125
5 × Small White RocketYellow 125Grey 150
Small Yellow RocketTaught by Schematic: Small Yellow Rocket, requires 125
5 × Small Yellow RocketYellow 125Grey 150
Blue FireworkTaught by Schematic: Blue Firework, requires 150
3 × Blue FireworkYellow 150Grey 175
Green FireworkTaught by Schematic: Green Firework, requires 150
3 × Green FireworkYellow 150Grey 175
Red FireworkTaught by Schematic: Red Firework, requires 150
3 × Red FireworkYellow 150Grey 175
Large Blue RocketTaught by Schematic: Large Blue Rocket, requires 175
5 × Large Blue RocketYellow 175Grey 200
Large Green RocketTaught by Schematic: Large Green Rocket, requires 175
5 × Large Green RocketYellow 175Grey 200
Large Purple RocketTaught by Schematic: Large Purple Rocket, requires 175
5 × Large Purple RocketYellow 175Grey 200
Large Red RocketTaught by Schematic: Large Red Rocket, requires 175
5 × Large Red RocketYellow 175Grey 200
Large White RocketTaught by Schematic: Large White Rocket, requires 175
5 × Large White RocketYellow 175Grey 200
Large Yellow RocketTaught by Schematic: Large Yellow Rocket, requires 175
5 × Large Yellow RocketYellow 175Grey 200
Blue Rocket ClusterTaught by Schematic: Blue Rocket Cluster, requires 225
5 × Blue Rocket ClusterYellow 225Grey 250
Green Rocket ClusterTaught by Schematic: Green Rocket Cluster, requires 225
5 × Green Rocket ClusterYellow 225Grey 250
Purple Rocket ClusterTaught by Schematic: Purple Rocket Cluster, requires 225
5 × Purple Rocket ClusterYellow 225Grey 250
Red Rocket ClusterTaught by Schematic: Red Rocket Cluster, requires 225
5 × Red Rocket ClusterYellow 225Grey 250
White Rocket ClusterTaught by Schematic: White Rocket Cluster, requires 225
5 × White Rocket ClusterYellow 225Grey 250
Yellow Rocket ClusterTaught by Schematic: Yellow Rocket Cluster, requires 225
5 × Yellow Rocket ClusterYellow 225Grey 250
Firework LauncherTaught by Schematic: Firework Launcher, requires 225
Firework LauncherYellow 245Grey 265
Snake Burst FireworkTaught by Schematic: Snake Burst Firework, requires 250
4 × Snake Burst FireworkYellow 250Grey 270
Large Blue Rocket ClusterTaught by Schematic: Large Blue Rocket Cluster, requires 275
5 × Large Blue Rocket ClusterYellow 275Grey 285
Large Green Rocket ClusterTaught by Schematic: Large Green Rocket Cluster, requires 275
5 × Large Green Rocket ClusterYellow 275Grey 285
Large Purple Rocket ClusterTaught by Schematic: Large Purple Rocket Cluster, requires 275
5 × Large Purple Rocket ClusterYellow 275Grey 285
Large Red Rocket ClusterTaught by Schematic: Large Red Rocket Cluster, requires 275
5 × Large Red Rocket ClusterYellow 275Grey 285
Large White Rocket ClusterTaught by Schematic: Large White Rocket Cluster, requires 275
5 × Large White Rocket ClusterYellow 275Grey 285
Large Yellow Rocket ClusterTaught by Schematic: Large Yellow Rocket Cluster, requires 275
5 × Large Yellow Rocket ClusterYellow 275Grey 285
Firework Cluster LauncherTaught by Schematic: Cluster Launcher, requires 275
Cluster LauncherYellow 295Grey 315

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