Metallic Seaweed (#0A7E8C)

/* Background */
.element {
    background-color: #0A7E8C;
}

/* Text */
.element {
    color: #0A7E8C;
}

/* Border */
.element {
    border: 1px solid #0A7E8C;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #0A7E8C,
        #F73821
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #0A7E8C,
        #F73821
    );
}

// SCSS variable
$metallic-seaweed: #0A7E8C;

// With RGB channels (useful for rgba() usage)
$metallic-seaweed-r: 10;
$metallic-seaweed-g: 126;
$metallic-seaweed-b: 140;

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