This H6 text color has been darkened by 20%

This H2 text has been saturated by 30%

The red in this H3 text has been faded out by 70%

This H4 color is from mixing the base color with blue, and displayed at a 50% opacity

This H5 text color has been lighted by 20%

This is some sample text at H6 size, using a base color of #893939