Pale Cyan (#87D3F8)

/* Background */
.element {
    background-color: #87D3F8;
}

/* Text */
.element {
    color: #87D3F8;
}

/* Border */
.element {
    border: 1px solid #87D3F8;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #87D3F8,
        #FBF7F5
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #87D3F8,
        #FBF7F5
    );
}

// SCSS variable
$pale-cyan: #87D3F8;

// With RGB channels (useful for rgba() usage)
$pale-cyan-r: 135;
$pale-cyan-g: 211;
$pale-cyan-b: 248;

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