However, unexpected color pairings, like a soft green teamed with chartreuse, a vibrant hue that sits perfectly between green and yellow ... color schemes. Take the old saying ‘blue and green ...

bb is the color's blue component ... 00 through FF. This scheme allows for up to 256 levels of each color component. For example, red is specified as '00FFFF00', green as 'FF00FF00', process black ...

While tonal color schemes have seen plenty of appeal ... The more common contrasting colors are red and green, blue and orange, and yellow and purple, but you can play with tonal variations ...