Function modifyLightModeHSL

src/inject/dynamic-theme/modify-colors.ts:116–141

({h, s, l, a}: HSLA, poleFg: HSLA, poleBg: HSLA)

}

function modifyLightModeHSL({h, s, l, a}: HSLA, poleFg: HSLA, poleBg: HSLA): HSLA {
    const isDark = l < 0.5;
    let isNeutral: boolean;
    if (isDark) {
        isNeutral = l < 0.2 || s < 0.12;
    } else {
        const isBlue = h > 200 && h < 280;
        isNeutral = s < 0.24 || (l > 0.8 && isBlue);
    }

    let hx = h;
    let sx = s;
    if (isNeutral) {
        if (isDark) {
            hx = poleFg.h;
            sx = poleFg.s;
        } else {
            hx = poleBg.h;
            sx = poleBg.s;
        }
    }

    const lx = scale(l, 0, 1, poleFg.l, poleBg.l);

    return {h: hx, s: sx, l: lx, a};
}

const MAX_BG_LIGHTNESS = 0.4;