"Check out my CSL-Map View stylesheet for very flat maps:

<LandColors>
<Color a="255" r="154" g="63" b="24" threshold="220" />
<Color a="255" r="158" g="65" b="25" threshold="215" />
<Color a="255" r="163" g="67" b="25" threshold="210" />
<Color a="255" r="170" g="73" b="24" threshold="205" />
<Color a="255" r="178" g="79" b="23" threshold="200" />
<Color a="255" r="186" g="86" b="22" threshold="195" />
<Color a="255" r="194" g="93" b="21" threshold="190" />
<Color a="255" r="202" g="99" b="20" threshold="185" />
<Color a="255" r="209" g="105" b="21" threshold="180" />
<Color a="255" r="215" g="111" b="23" threshold="175" />
<Color a="255" r="222" g="118" b="25" threshold="170" />
<Color a="255" r="229" g="124" b="26" threshold="165" />
<Color a="255" r="236" g="130" b="28" threshold="160" />
<Color a="255" r="238" g="138" b="33" threshold="155" />
<Color a="255" r="239" g="146" b="39" threshold="150" />
<Color a="255" r="240" g="154" b="44" threshold="145" />
<Color a="255" r="240" g="162" b="50" threshold="140" />
<Color a="255" r="241" g="170" b="56" threshold="135" />
<Color a="255" r="242" g="177" b="67" threshold="130" />
<Color a="255" r="242" g="184" b="81" threshold="125" />
<Color a="255" r="243" g="191" b="95" threshold="120" />
<Color a="255" r="244" g="199" b="110" threshold="115" />
<Color a="255" r="244" g="206" b="124" threshold="110" />
<Color a="255" r="245" g="212" b="132" threshold="105" />
<Color a="255" r="246" g="219" b="135" threshold="100" />
<Color a="255" r="248" g="225" b="139" threshold="95" />
<Color a="255" r="249" g="232" b="143" threshold="90" />
<Color a="255" r="250" g="238" b="147" threshold="85" />
<Color a="255" r="247" g="240" b="147" threshold="80" />
<Color a="255" r="238" g="235" b="144" threshold="75" />
<Color a="255" r="229" g="231" b="141" threshold="70" />
<Color a="255" r="220" g="227" b="138" threshold="65" />
<Color a="255" r="211" g="222" b="134" threshold="60" />
<Color a="255" r="202" g="218" b="128" threshold="55" />
<Color a="255" r="192" g="213" b="116" threshold="50" />
<Color a="255" r="183" g="208" b="103" threshold="45" />
<Color a="255" r="173" g="203" b="90" threshold="40" />
<Color a="255" r="163" g="198" b="78" threshold="35" />
<Color a="255" r="155" g="193" b="67" threshold="30" />
<Color a="255" r="152" g="187" b="60" threshold="25" />
<Color a="255" r="149" g="181" b="54" threshold="20" />
<Color a="255" r="145" g="175" b="47" threshold="15" />
<Color a="255" r="142" g="170" b="40" threshold="10" />
<Color a="255" r="141" g="168" b="39" threshold="5" />
<Color a="255" r="141" g="167" b="37" threshold="-10" />
<Color a="255" r="140" g="165" b="35" threshold="-3.40282347E+038" />
</LandColors>"