Blue

Blue may refer to:

Materials
- A blue colored Gem.

=Dye Materials

 * - Grows on the Surface on bushes.
 * - Grows in the Jungle and Underground Jungle.

Dyes

 * - Made from Blue Berries.
 * - Made from Sky Blue Flowers.
 * - Made from Sky Blue and Silver Dyes.
 * - Made from Sky Blue and Black Dyes.
 * - Made from Blue and Silver Dyes.
 * - Awarded from the Dye Trader for trading in a Strange Plant.
 * - Made from Blue and Black Dyes.
 * - Made from Blue Flame and Black Dyes.
 * - Made from Blue, Cyan, and Sky Blue Dyes.
 * - Made from Blue Flame Dyes.
 * - Made from Blue Dyes.
 * - Made from Sky Blue Dyes.

Paints

 * - Sold by the Painter.
 * - Sold by the Painter.
 * - Crafted at a Dye Vat from two Blue Paints.
 * - Crafted at a Dye Vat from two Sky Blue Paints.

Accessories

 * - Crafted from String and Blue Dye. Extends Yoyo reach.
 * - Crafted from String and Sky Blue Dye. Extends Yoyo reach.
 * - Extends jump height, negates fall damage, and allows double jumping.
 * - Acts as a secondary Weapon when a Yoyo is used.

Weapons and Ammo

 * - A Weapon found in Locked Gold Chests in the Dungeon and Golden Lock Boxes.
 * - Ammo for the Flare Gun.
 * - A Weapon Crafted from Meteorite Bars and Sapphires.
 * - A Weapon Crafted from a Blue Phaseblade and Crystal Shards.

=Solutions (Ammo for the Clentaminator)

 * - Spreads The Hallow.
 * - Converts the Jungle Biome toGlowing Mushroom Biome.

Blocks

 * - Found as part of the Dungeon created at world gen.
 * - Sold by the Traveling Merchant.
 * - Sold by the Traveling Merchant.

Furniture

 * - Crafted from Bottled Water and Blue Jellyfish (bait).
 * - Found in the Dungeon.
 * - Sold by the Party Girl.
 * - Sold by Santa Claus.
 * - Crafted from Torches and Sapphires.
 * - Dropped by Enemies during the Christmas Season.
 * - Sold by Santa Claus.
 * - Crafted from Silk.
 * - Sold by the Traveling Merchant.

Walls

 * - Found as part of the Dungeon created at world gen.
 * - Crafted from Dynasty Wood.
 * - Crafted from Glass Walls and Sapphires.
 * - Sold by the Painter.

Tools

 * - Places Blue Wires.

Enemies

 * - Found commonly on the Surface.
 * - Appear in the Dungeon after Plantera has been defeated.
 * - Found in Water in the Underground and Cavern Layers.

Other

 * - A Surface Critter.
 * - Obtained via Fishing.
 * - Light Pet Summoned by the Fairy Bell.
 * Jeremy Guerette's nickname
 * Jeremy Guerette's nickname