Convert colour codes between HEX, RGB, HSL, HSV and CMYK, pick a colour, check WCAG contrast and get tints and shades.
The contrast ratio follows WCAG 2: 4.5:1 is needed for normal text (AA), 7:1 for AAA.
Split the six digits into three pairs and convert each from hexadecimal: #FF8800 is rgb(255, 136, 0).
No. Printers use colour profiles, so treat it as a starting point and proof the print.