src/vs/workbench/contrib/terminal/browser/terminalIcon.ts/getStandardColors
export function getStandardColors(colorTheme: IColorTheme): string[] {
	const standardColors: string[] = [];

	for (const colorKey in ansiColorMap) {
		const color = colorTheme.getColor(colorKey);
		if (color && !colorKey.toLowerCase().includes('bright')) {
			standardColors.push(colorKey);
		}
	}
	return standardColors;
}