Esri (ArcMap/ArcGIS Pro) Standard Color Palette

120 named colors from Esri's standard color palette, arranged in the published 12×10 grid. RGB values sourced directly from the ArcGIS Pro 3.6.2 system style file (Styles.stylx). Esri KB 000010027 is included below as historical reference only.

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Proposed corrections — two swatches that don't fit the palette's design rules

An HSV analysis of all 120 colors reveals an underlying structure: each column is locked to a specific hue (20° steps on the warm side), and each row is locked to a specific saturation/value combination. Two swatches in row 1 deviate from these rules in ways that look more like errors than design choices:

Sahara Sand H 42° → 20° · RGB(255, 235, 190) #FFEBBE → RGB(255, 212, 190) #FFD4BE

Topaz Sand H 45° / S 31% → H 40° / S 25% · RGB(255, 235, 175) #FFEBAF → RGB(255, 233, 190) #FFE9BE

Sahara Sand and Topaz Sand are nearly indistinguishable on screen because they sit on essentially the same hue. After correction, Sahara shifts toward Fire Red's column at 20° (where it belongs based on the palette's structure), and Topaz aligns to Electron Gold's column at 40°. The corrected RGB values converge from three independent paths: HSV row-saturation matching, CMYK row-M-progression matching, and ArcGIS Pro's own CMYK→RGB conversion when given pattern-derived CMYK inputs.

Original Sahara Sand / Topaz Sand observation: Michael Ray Wilson, MS, CFM. Follow-up HSV analysis of all 120 colors and verification against the live ArcGIS Pro style file.