DWRITE_COLOR_GLYPH_RUN.runColor

<summary> Color to use for this layer, if any. This is the same color that IDWriteFontFace2::GetPaletteEntries would return for the current palette index if the paletteIndex member is less than 0xFFFF. If the paletteIndex member is 0xFFFF then there is no associated palette entry, this member is set to { 0, 0, 0, 0 }, and the client should use the current foreground brush. </summary>