color box change with sensor value

[karpa]

how can i use a color box to display a sensor value..? i tried but it's just dark blue to light blue..

e.g if i have a distance sensor the colour box will change gradually from red to green(perhaps and yellow for the middle) for a value from 0 to 255.. 

Thanks 

[Harold_Timmis]

you can use an intesity chart

[karpa]

what is intesity chart..? 

labview has nothing about intesity chart in help..

[Darin.K · Accepted solution]

Try this, just uses some simple interpolation.

[aeastet]

This one works too.

[karpa]

although both answers are what i want i liked Darin.K code because is smoother and more easy to edit..

Thanks!