RGB -- predefined color names
IntroductionRGB::Name evaluates to a list [r, g, b]
representing the color 'Name' by its red, green and blue
contributions according to the RGB color model.
RGB::ColorNames() provides a list of all predefined
color names.
RGB::ColorNames(subname) provides a list of all
predefined color names that contain subname.
Call(s)
RGB::Name RGB::ColorNames()
RGB::ColorNames(subname)
ParametersName |
- | the name of a color: an identifier |
subname |
- | a part of a color name: an identifier |
ReturnsRGB::Name evaluates to a list [r, g, b] of
real floating point numbers between 0.0 and
1.0. RGB::ColorNames returns a list of
predefined color names.
Related
Functionsplot2d, plotfunc2d, plot3d, plotfunc3d
Details
Example
1The basic colors of the RGB model are red, green and blue:
>> RGB::Red, RGB::Green, RGB::Blue
[1.0, 0.0, 0.0], [0.0, 1.0, 0.0], [0.0, 0.0, 1.0]
The following call returns all predefined color names
containing 'Olive':
>> RGB::ColorNames(Olive)
[OliveDrab, Olive, OliveGreenDark]
The RGB values of these colors are:
>> RGB::OliveDrab, RGB::Olive, RGB::OliveGreenDark
[0.419599, 0.556902, 0.137303],
[0.230003, 0.370006, 0.170003],
[0.333293, 0.419599, 0.184301]
Example
2The following command plots a filled grey triangle with black border lines on a white background:
>> plot2d(BackGround = RGB::White,
ForeGround = RGB::Black,
Labeling = TRUE,
[Mode = List, [polygon(point(0, 0),
point(1, 0),
point(0, 1),
Closed = TRUE,
Filled = TRUE,
Color = RGB::LightGrey)]
])