Heat Map Icon

A heat map is a chart that represents values as colors in a grid, so patterns and clusters are easy to see at a glance. Darker or warmer colors usually mark higher values and lighter or cooler colors mark lower values.

A gene expression heat map shows expression levels across many genes and samples at once: rows are genes, columns are samples, and each cell's color encodes how strongly that gene is expressed, often with clustering to group similar patterns.

Read a heat map by comparing cell colors against the color scale legend. Rows and columns that share similar colors behave similarly, and clustering dendrograms on the edges group rows or columns with related patterns.

The icon shows a clustered color-grid heat map with a color-scale legend, a clean single-graphic you can use to represent gene expression or any matrix of values in a data visualization figure.

Yes. The icon is fully editable in SciFig — recolor the scale, relabel rows and columns, resize it, and export it as SVG or transparent PNG to drop into any figure, poster, or slide.

You can export the heat map icon as an editable SVG for clean scaling in vector layouts, or as a transparent PNG to place over any background in slides, posters, and graphical abstracts.