Dark Brown-tangelo (#88654E)

/* Background */
.element {
    background-color: #88654E;
}

/* Text */
.element {
    color: #88654E;
}

/* Border */
.element {
    border: 1px solid #88654E;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #88654E,
        #5592BB
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #88654E,
        #5592BB
    );
}

// SCSS variable
$dark-brown-tangelo: #88654E;

// With RGB channels (useful for rgba() usage)
$dark-brown-tangelo-r: 136;
$dark-brown-tangelo-g: 101;
$dark-brown-tangelo-b: 78;

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