LANSEY is the jGraph module of jLab.

 LANSEY  The Lansey modification of Cynthia Brewer's "Spectral" colormap.
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    LANSEY(M) returns an M-by-3 matrix containing the Lansey colormap. 
 
    LANSEY with no arguments returns a colormap having the same number of
    colors as the colormap of the current figure.
 
    This colormap is Jonathan Lansey's modification of the 11-division 
    version of Cynthia Brewer's "Spectral" colormap.
 
    LINSPECER itself is available from
 
        http://www.mathworks.com/matlabcentral/fileexchange/42673.
 
    This product includes color specifications and designs developed by 
    Cynthia Brewer (http://colorbrewer.org/).
 
    LANSEY is a simplified version of LINSPECER by Jonathan Lansey,
    modified and redistributed in accordance with the copyright policies
    of LINSPECER and ColorBrewer.org, see LANSEY_COPYRIGHT for details. 
 
    To make LANSEY your default colormap, add to your startup.m file the 
    line "set(0,'DefaultFigureColormap',lansey)".
  
    'lansey --f' generates the figure shown above.
 
    Usage: h=lansey(M);
           colormap lansey
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    This is part of JLAB --- type 'help jlab' for more information
    (C) 2015 J.M. Lilly --- type 'help jlab_license' for details