Untitled

<body>
Culoare fundal<br>
<input type="radio" name="r1" value="#FF0000" onClick="culoareFundal(this)"> Rosu<br>
<input type="radio" name="r1" value="#FFFF00" onClick="culoareFundal(this)"> Galben<br>
<input type="radio" name="r1" value="#00FF00" onClick="culoareFundal(this)"> Verde<br>

Culoare text<br>
<input type="radio" name="r2" value="#FF0000" onClick="culoareText(this)"> Rosu<br>
<input type="radio" name="r2" value="#FFFF00" onClick="culoareText(this)"> Galben<br>
<input type="radio" name="r2" value="#00FF00" onClick="culoareText(this)"> Verde<br>

<script>
function culoareFundal(input)
{
    document.body.style.backgroundColor = input.value;
}
function culoareText(input)
{
    document.body.style.color = input.value;
}
</script>
</body>