export function getTextColor(bgColor: string) { // Remove # if present const hex = bgColor.replace('#', ''); // Convert hex to RGB const r = parseInt(hex.substring(0, 2), 16) / 255; const g = parseInt(hex.substring(2, 4), 16) / 255; const b = parseInt(hex.substring(4, 6), 16) / 255; // Convert to linear RGB const toLinear = (c: any) => c <= 0.03928 ? c / 12.92 : Math.pow((c + 0.055) / 1.055, 2.4); const R = toLinear(r); const G = toLinear(g); const B = toLinear(b); // Calculate luminance const luminance = 0.2126 * R + 0.7152 * G + 0.0722 * B; // Return white for dark backgrounds, black for light backgrounds return luminance > 0.179 ? '#000000' : '#fcfcfc'; }