text: import numbers from './numbers.js'
  
  export default function(a, b, v) {
    let _c = {},
        c,
        ep = ')',
        cm =',',
        rgb = 'rgb(',
        rgba = 'rgba(';
  
    for (c in b) { _c[c] = c !== 'a' ? (numbers(a[c],b[c],v)>>0 || 0) : (a[c] && b[c]) ? (numbers(a[c],b[c],v) * 100 >> 0 )/100 : null; }
    return !_c.a ? rgb + _c.r + cm + _c.g + cm + _c.b + ep : rgba + _c.r + cm + _c.g + cm + _c.b + cm + _c.a + ep;
  }