Ray - the normal high brightness lad from radio shack and similar are a blue white . this site gives some info on charecteristics and has warm white leds , some might suit your requirements. the other option is to use a blue white led with a colored diffuser to add amber tint
http://www.theledlight.com/led-specs.html
http://www.theledlight.com/color_chart.html
In order to appear more like an incandescent lamp, one of the Golden White LEDs might be a better choice than plain white. Golden White LEDs are hard to find and cost more than plain white, but give off a more realistic glow. One source for them is Litchfield Station at http://www.litchfieldstation.com
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