if (contrastRatio < THRESHOLD) {
const [r, g, b] = foregroundColor;
// Специальная обработка для чёрного текста
if (r === 0 && g === 0 && b === 0) {
el.style.color = "#ffffff"; // меняем чёрный на белый
el.dataset.colorAdjusted = "true";
continue;
}
let hsl = rgbToHsl(r, g, b);
const adjustmentFactor = Math.max(0, (THRESHOLD - contrastRatio) / THRESHOLD);
hsl[1] = Math.max(0, hsl[1] - DESATURATE * adjustmentFactor);
let brightnessIncrease = 0;
if (contrastRatio < 0.7 * THRESHOLD) {
brightnessIncrease = 3 * LIGHTEN;
} else if (contrastRatio < THRESHOLD) {
brightnessIncrease = 0.5 * LIGHTEN;
}
hsl[2] = Math.min(100, hsl[2] + brightnessIncrease * adjustmentFactor);
el.style.color = `hsl(${hsl[0]}, ${hsl[1]}%, ${hsl[2]}%)`;
el.dataset.colorAdjusted = "true";
} |
