@define-color mygreen rgb(0,1,0);

a {
  color: initial;
}

b {
  color: inherit;
}

c {
  color: unset;
}

d {
  color: currentColor;
}

e {
  color: transparent;
}

f {
  color: red;
}

g {
  color: rgba(0,1,0,1);
}

h {
  color: rgb(1,0,1);
}

i {
  color: #abc;
}

j {
  color: #012345;
}

k {
  color: lighter(red);
}

l {
  color: darker(red);
}

m {
  color: shade(green,0.5);
}

n {
  color: alpha(green,0.5);
}

o {
  color: mix(red,blue,0.25);
}

p {
  color: @mygreen;
}