Choosing the right colors for your website can sometimes become exhausting,but with the help of certain tools the whole process can be simplified....
Here are some of the tools i use:

COLORSinspo

A simple and easy interface,just click on an image and paste the code to your css.Includes hundreds of color palettes and gradient colors.

color-hex

Color-hex gives information about colors including color models (RGB,HSL,HSV and CMYK), Triadic colors, monochromatic colors and analogous colors calculated in color page.

ColorPick Eyedropper
This is a chrome extension,color chooser that allows you to select colors from webpages.

In conclusion..

I hope you found this information useful.This is just a small list,feel free to share others in the comments below.