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crameri:romaO#

collection category license authors source
crameri Cyclic MIT Fabio Crameri https://zenodo.org/record/5501399
from cmap import Colormap

cm = Colormap("crameri:romaO")  # case insensitive
import matplotlib.pyplot as plt
from cmap import Colormap

plt.imshow(data, cmap=Colormap("crameri:romaO").to_mpl())
import plotly.express as px
from cmap import Colormap

px.imshow(data, color_continuous_scale=Colormap("crameri:romaO").to_plotly())
import napari
from cmap import Colormap

napari.imshow(data, colormap=Colormap("crameri:romaO").to_napari())
napari.run()
background: #733957;
background: linear-gradient(90deg, #733957 0%, #79384C 3.22581%, #7F3A42 6.45161%, #853E39 9.67742%, #8B4533 12.9032%, #934E2E 16.129%, #9B5A2C 19.3548%, #A3692C 22.5806%, #AC7930 25.8065%, #B68A39 29.0323%, #C09D46 32.2581%, #C9B058 35.4839%, #D1C16D 38.7097%, #D5D083 41.9355%, #D5DA98 45.1613%, #D0E0AA 48.3871%, #C6E1B9 51.6129%, #B8DFC4 54.8387%, #A6D9CB 58.0645%, #93D0CE 61.2903%, #80C4CF 64.5161%, #6FB6CC 67.7419%, #60A8C8 70.9677%, #5698C2 74.1935%, #5089BA 77.4194%, #4E79B0 80.6452%, #526AA3 83.871%, #575B94 87.0968%, #5F4E84 90.3226%, #664475 93.5484%, #6C3D66 96.7742%, #723959 100%);
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("crameri:romaO").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("crameri:romaO").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("crameri:romaO").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("crameri:romaO").to_pygfx()
    ),
)
gfx.show(image)
import pyqtgraph as pg
from cmap import Colormap

view = pg.image(data)
view.setColorMap(Colormap("crameri:romaO").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("crameri:romaO").to_gee()
)

See also usage with external libraries.

crameri:romaOcrameri:romaO colormap
crameri:romaOcrameri:romaO colormap

Perceptual lightness#

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

RGB components#

Hue & saturation#