If you are open to flourescents, OttLite makes daylight bulbs, but they have non-standard plugs. A lot of people who work w/ colors use them. Halogen lights are also pretty close, but they produce heat.

OttLite is likely what your friend meant. But as Bruce metioned, they have non-standard plugs but they do come with lots of benefits because they are full spectrum lights.

Daylight = Blue. On the Kelvin scale, it's about 5600-6000. They make LEDs that are featured as being "warm".

Many CAN and TRACK lights are constructed with a warmed interior so that they can accommodate the bright LED's (daylight) and still project a warmer light.