What would I need to make shaders?

Shaders as in the color stuff and color sliders. So do I need to download anything to make them and where could I find tutorials on how to make them?
Thanks for reading
-Swift

You need 1) a text editor and 2) knowledge. Read the docs: Unity - Manual: ShaderLab

–Eric

also theres the shader programming course video in the resources section

http://unity3d.com/support/resources/unite-presentations/shader-programming-course

if you prefer, a direct link to the video file, if you prefer to download it and watch later instead of watching on the site

http://unity3d.com/support/resources/files/Unite08_Shaders.mov

using shaderlab is very simple, if you need more complex stuff , you need to use CG which is very similar HLSL

in the video explains a couple of things

Sorry guys, but my understanding of learning to make shaders differs slightly. As far as I (and my programmer friends) understand it, you have to learn to program some very complex stuff. It’s especially difficult if you’re not any kind of programmer at all. Though most of my coder friends who have tried to help me out were stumped by the esoteric nature of the Unity shader code.

Clamps

Did you read the docs I linked to? ShaderLab for fixed function shaders is not that complicated and anyone who can program effectively should be able to do it. If you get into CG, yes, it gets complex, and in fact I wouldn’t recommend even trying that right now since Unity 3 changes things quite a bit in that area. But you can do some interesting things without that, and I think it’s a good idea to have some idea what the graphics card is actually doing.

–Eric