Experimental The defaulted colorbar attributes (marker.colorbar of the trace, or layout.coloraxisN.colorbar): thickness, len, x, y, anchors, title, tick attributes, … as declared by the schema.
cmax
readonly
number
Experimental
cmin
readonly
number
Experimental Data range the scale spans (after cauto / cmid).
coloraxis?
readonly
string
Experimental Shared coloraxis id ('coloraxis', 'coloraxis2', …) when the trace uses one.