material

Material {
  exposedField SFFloat ambientIntensity  0.2
  exposedField SFColor diffuseColor      0.8 0.8 0.8
  exposedField SFColor emissiveColor     0 0 0
  exposedField SFFloat shininess         0.2
  exposedField SFColor specularColor     0 0 0
  exposedField SFFloat transparency      0
}

• Think of as an OpenGL material
• diffuseColor is what we consider the colour of the object
• Use emmisiveColor for light bulbs and stained glass windows but remember to put a real light source inside them
• Transparency is often approximated to on or off by browsers - beware!

Example