Titanium Yellow (#EEE600)

/* Background */
.element {
    background-color: #EEE600;
}

/* Text */
.element {
    color: #EEE600;
}

/* Border */
.element {
    border: 1px solid #EEE600;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #EEE600,
        #0008EE
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #EEE600,
        #0008EE
    );
}

// SCSS variable
$titanium-yellow: #EEE600;

// With RGB channels (useful for rgba() usage)
$titanium-yellow-r: 238;
$titanium-yellow-g: 230;
$titanium-yellow-b: 0;

// Usage
.element {
    background-color: $titanium-yellow;
    color: rgba($titanium-yellow-r, $titanium-yellow-g, $titanium-yellow-b, 0.8);
}