You can type in text, pinch and drag to re-size and move it, and use a color slider to choose a hue.
If you see a warning exclamation appear next to the color slider, it means that the color you have selected cannot print properly, though it should display on a monitor just fine.
Its clever trick is letting users drag a temperature-based slider from "hot" colors (red, orange, etc).
The Surface Dial works with the screen intelligently, giving you software tools like color sliders in various apps.
I defined one for camera speed, a few different color sliders, mesh displacement, and so on," Ferriss explains.
On the Video Equations Kickstarter, Jordan says that the 20 different mathematical equations, each routed to two modifier sliders and a color depth control, create millions of unique, stable, or evolving visuals.
Using the various color sliders, you can alter the black and white balance of your image based on the underlying color information.
You can edit these by going to Picture -> Edit Palette... Once opened up, you will get a window with same sliders and the color blocks.
Instead of jabbing plastic pegs through black paper to create a picture of lighted dots, you use a slider to pick a color, then every space you touch will show a dot in that color, accompanied by a popping sound.
If that doesn't work, you might want to try the colour balance (Colors -> Color Balance) and play with the sliders until it looks right.
