What is your LCD monitor color 6500k or 9300k or sRGB any custom color

Today i reset my LCD monitor and see some diffrent color, well i want to know best color of LCD monitor 6500k or 9300k or sRGB any custom color ? i think it’s really effect on design color combination.

Color ?
brightness ?
contrast ?

There are a lot of tools for the monitor calibration. What you say… is about color temperature. Here are a few details about how can you calibrate your monitor.