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tol:rainbow_discrete_21#

collection category license authors source
tol Miscellaneous BSD-3-Clause Paul Tol https://personal.sron.nl/~pault/ 
from cmap import Colormap

cm = Colormap("tol:rainbow_discrete_21")  # case insensitive

import matplotlib.pyplot as plt
from cmap import Colormap

plt.imshow(data, cmap=Colormap("tol:rainbow_discrete_21").to_mpl())

import plotly.express as px
from cmap import Colormap

px.imshow(data, color_continuous_scale=Colormap("tol:rainbow_discrete_21").to_plotly())

import napari
from cmap import Colormap

napari.imshow(data, colormap=Colormap("tol:rainbow_discrete_21").to_napari())
napari.run()

background: #D9CCE3;
background: linear-gradient(90deg, #D9CCE3 4.7619%, #CAACCB 4.7619%, #CAACCB 9.52381%, #BA8DB4 9.52381%, #BA8DB4 14.2857%, #AA6F9E 14.2857%, #AA6F9E 19.0476%, #994F88 19.0476%, #994F88 23.8095%, #882E72 23.8095%, #882E72 28.5714%, #1965B0 28.5714%, #1965B0 33.3333%, #437DBF 33.3333%, #437DBF 38.0952%, #6195CF 38.0952%, #6195CF 42.8571%, #7BAFDE 42.8571%, #7BAFDE 47.619%, #4EB265 47.619%, #4EB265 52.381%, #90C987 52.381%, #90C987 57.1429%, #CAE0AB 57.1429%, #CAE0AB 61.9048%, #F7F056 61.9048%, #F7F056 66.6667%, #F7CB45 66.6667%, #F7CB45 71.4286%, #F4A736 71.4286%, #F4A736 76.1905%, #EE8026 76.1905%, #EE8026 80.9524%, #E65518 80.9524%, #E65518 85.7143%, #DC050C 85.7143%, #DC050C 90.4762%, #A5170E 90.4762%, #A5170E 95.2381%, #72190E 95.2381%);

import altair as alt
from cmap import Colormap

# df: a DataFrame with columns x, y and value
alt.Chart(df).mark_rect().encode(
    x="x:O",
    y="y:O",
    color=alt.Color(
        "value:Q", scale=alt.Scale(range=Colormap("tol:rainbow_discrete_21").to_altair())
    ),
)

from bokeh.plotting import figure, show
from cmap import Colormap

p = figure()
p.image(
    image=[data], x=0, y=0, dw=1, dh=1,
    color_mapper=Colormap("tol:rainbow_discrete_21").to_bokeh(),
)
show(p)

from vispy import app, scene
from cmap import Colormap

canvas = scene.SceneCanvas(show=True)
view = canvas.central_widget.add_view()
scene.visuals.Image(data, cmap=Colormap("tol:rainbow_discrete_21").to_vispy(), parent=view.scene)
view.camera = scene.PanZoomCamera(aspect=1)
view.camera.set_range()
app.run()

import pygfx as gfx
from cmap import Colormap

image = gfx.Image(
    gfx.Geometry(grid=gfx.Texture(data, dim=2)),
    gfx.ImageBasicMaterial(
        clim=(data.min(), data.max()), map=Colormap("tol:rainbow_discrete_21").to_pygfx()
    ),
)
gfx.show(image)

import pyqtgraph as pg
from cmap import Colormap

view = pg.image(data)
view.setColorMap(Colormap("tol:rainbow_discrete_21").to_pyqtgraph())
pg.exec()

import ee
from cmap import Colormap

ee.Initialize(project="my-project")  # your Google Cloud project
elevation = ee.Image("CGIAR/SRTM90_V4")
image = elevation.visualize(
    min=0, max=3000, palette=Colormap("tol:rainbow_discrete_21").to_gee()
)

See also usage with external libraries.

tol:rainbow_discrete_21tol:rainbow_discrete_21 colormap
tol:rainbow_discrete_21tol:rainbow_discrete_21 colormap

Perceptual lightness#

Lightness (J′) measured in CAM02 Uniform Color Space (CAM02-UCS)

RGB components#

Hue & saturation#