| A | |
| adjustcolor | Alter a color specification | 
| as.raster | Manipulate raster objects | 
| C | |
| 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 | 
| E | |
| extendrange | Numbers a bit outside the range of a vector | 
| G | |
| gray | Palette of Grays | 
| gray.colors | Groups of Colors | 
| grey | Palette of Grays | 
| grey.colors | Groups of Colors | 
| H | |
| hcl | Hue, Chroma, Luminance Color Model | 
| heat.colors | Groups of Colors | 
| hsv | Hue, Saturation, Value Color Specification | 
| I | |
| is.raster | Manipulate raster objects | 
| N | |
| 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 | 
| P | |
| palette | Color Palette | 
| R | |
| rainbow | Rainbow Colors | 
| rgb | Convert numeric color values to character color codes | 
| rgb2hsv | Hue, Saturation, Value Color Model | 
| T | |
| terrain.colors | Groups of Colors | 
| terrFakeDev | Fake Graphics Device for TERR | 
| topo.colors | Groups of Colors | 
| X | |
| xy.coords | X,Y Arguments | 
| xyTable | Tabulate repeated x-y points |