:root {
    --watts-world-hue: 133;
    --watts-world-hue-alt: 153;
    --watts-world-saturation: 61%;
    --watts-world-saturation-alt: 79%;

    --watts-world-50: hsl(var(--watts-world-hue), var(--watts-world-saturation), 97%);
    --watts-world-100: hsl(var(--watts-world-hue), var(--watts-world-saturation), 95%);
    --watts-world-200: hsl(var(--watts-world-hue), var(--watts-world-saturation), 90%);
    --watts-world-300: hsl(var(--watts-world-hue), var(--watts-world-saturation), 80%);
    --watts-world-400: hsl(var(--watts-world-hue), var(--watts-world-saturation), 60%);
    --watts-world-450: hsl(var(--watts-world-hue), var(--watts-world-saturation), 55%);
    --watts-world-500: hsl(var(--watts-world-hue), var(--watts-world-saturation), 50%);
    --watts-world-600: hsl(var(--watts-world-hue), var(--watts-world-saturation), 45%);
    --watts-world-700: hsl(var(--watts-world-hue), var(--watts-world-saturation), 40%);
    --watts-world-750: hsl(var(--watts-world-hue), var(--watts-world-saturation), 35%);
    --watts-world-800: hsl(var(--watts-world-hue), var(--watts-world-saturation), 30%);
    --watts-world-850: hsl(var(--watts-world-hue), var(--watts-world-saturation), 25%);
    --watts-world-900: hsl(var(--watts-world-hue), var(--watts-world-saturation), 20%);
    --watts-world-1000: hsl(var(--watts-world-hue), var(--watts-world-saturation), 10%);

    --watts-world-alt-50: hsl(var(--watts-world-hue), var(--watts-world-saturation), 97%);
    --watts-world-alt-100: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 95%);
    --watts-world-alt-200: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 90%);
    --watts-world-alt-300: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 80%);
    --watts-world-alt-400: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 60%);
    --watts-world-alt-450: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 55%);
    --watts-world-alt-500: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 50%);
    --watts-world-alt-600: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 45%);
    --watts-world-alt-700: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 40%);
    --watts-world-alt-750: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 35%);
    --watts-world-alt-800: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 31%);
    --watts-world-alt-850: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 25%);
    --watts-world-alt-900: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 20%);
    --watts-world-alt-1000: hsl(var(--watts-world-hue-alt), var(--watts-world-saturation-alt), 10%);
}

/* watts theme for world */
html[data-theme="usa-world"] {
    --watts-contrast-brand: var(--watts-black);
    --watts-contrast-brand-bold: var(--watts-white);
    --watts-contrast-brand-boldest: var(--watts-white);

    --watts-contrast-interactive-brand: var(--watts-white);
    --watts-contrast-interactive-brand-hover: var(--watts-white);
    --watts-contrast-interactive-brand-pressed: var(--watts-white);

    --watts-content-brand: var(--watts-world-alt-500);
    --watts-content-brand-bold: var(--watts-world-alt-800);

    --watts-content-interactive-brand: var(--watts-world-500);
    --watts-content-interactive-brand-hover: var(--watts-world-600);

    --watts-bg-brand: var(--watts-world-200);
    --watts-bg-brand-bold: var(--watts-world-600);
    --watts-bg-brand-bolder: var(--watts-world-alt-800);
    --watts-bg-brand-boldest: var(--watts-world-700);

    --watts-bg-interactive-brand: var(--watts-world-750);
    --watts-bg-interactive-brand-hover: var(--watts-world-800);
    --watts-bg-interactive-brand-pressed: var(--watts-world-850);

    --watts-bg-brand-accent-primary: var(--watts-world-500);
    --watts-bg-brand-accent-secondary: var(--watts-world-1000);
}