| chull | Convex Hull of a Planar Set of Points |
| cm.colors | Groups of Colors |
| col2rgb | Interpret Color Names, Strings, and Numbers |
| colorRamp | Ramp/Interpolate Colors |
| colorRampPalette | Ramp/Interpolate Colors |
| colors | Get Color Names |
| colours | Get Color Names |
| contourLines | Calculate Contour Lines |
| extendrange | Numbers a bit outside the range of a vector |
| gray | Palette of Grays |
| gray.colors | Groups of Colors |
| grey | Palette of Grays |
| grey.colors | Groups of Colors |
| hcl | Hue, Chroma, Luminance Color Model |
| heat.colors | Groups of Colors |
| hsv | Hue, Saturation, Value Color Specification |
| nclass | Compute the Number of Classes for a Histogram |
| nclass.FD | Compute the Number of Classes for a Histogram |
| nclass.scott | Compute the Number of Classes for a Histogram |
| nclass.Sturges | Compute the Number of Classes for a Histogram |
| palette | Color Palette |
| rainbow | Rainbow Colors |
| rgb | Convert numeric color values to character color codes |
| rgb2hsv | Hue, Saturation, Value Color Model |
| terrain.colors | Groups of Colors |
| terrFakeDev | Fake Graphics Device for TERR |
| topo.colors | Groups of Colors |
| xy.coords | X,Y Arguments |
| xyTable | Tabulate repeated x-y points |