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raw_umber.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="description" content="Specific Pigments">
<title>Raw Umber</title>
<link rel="stylesheet" type="text/css" href="css/colorstyle.css">
<script src="http://d3js.org/d3.v3.js" charset="utf-8"></script>
</script>
</head>
<body>
<h1>Raw Umber</h1>
<h2 class="subtitle">Pigment Brown 7
(77492 1 & 9)</h2>
<h3><a href="index.html">Color Wheel</a></h3>
<div class="rgb_pure_50">
<div class="paint_chip">
<img src="images/blank_chip.png" id="raw_umber_t">
<figcaption>RGB<br>(82, 72, 55)<br>
Hex<br>#524837
</figcaption>
</div>
<div class="paint_chip">
<img src="images/blank_chip.png" id="raw_umber_50p">
<figcaption>Doubling all <br>
RGB values.<br>.<br>.</figcaption>
</div>
<div class="spectral">
<img src="images/rawUmber_spectral.png" height="300" >
</div>
</div>
<div class="chip_pure_50">
<div class="paint_chip">
<img src="images/raw_umber_gdA_t.jpg" height="100" width="100">
<figcaption>Pure</figcaption>
</div>
<div class="paint_chip">
<img src="images/raw_umber_gdA_50p.jpg" height="100" width="100">
<figcaption>50% Titanium</figcaption>
</div>
</div>
<div class="chip_value_range">
<div class="paint_chip">
<img src="images/raw_umber_gdA_v2.jpg" height="100" width="100">
<figcaption>Paint V-2</figcaption>
</div>
<div class="paint_chip">
<img src="images/raw_umber_gdA_v3.jpg" height="100" width="100">
<figcaption>Paint V-3</figcaption>
</div>
<div class="paint_chip">
<img src="images/raw_umber_gdA_v4.jpg" height="100" width="100">
<figcaption>Paint V-4</figcaption>
</div>
<div class="paint_chip">
<img src="images/raw_umber_gdA_v5.jpg" height="100" width="100">
<figcaption>Paint V-5</figcaption>
</div>
<div class="paint_chip">
<img src="images/raw_umber_gdA_v6.jpg" height="100" width="100">
<figcaption>Paint V-6</figcaption>
</div>
<div class="paint_chip">
<img src="images/raw_umber_gdA_v7.jpg" height="100" width="100">
<figcaption>Paint V-7</figcaption>
</div>
<div class="paint_chip">
<img src="images/raw_umber_gdA_v8.jpg" height="100" width="100">
<figcaption>Paint V-8</figcaption>
</div>
</div>
<div class="hex_value_range">
</div>
<div class="pigment_info">
<h3>LIGHTFASTNESS</h3>
ASTM D4302 1
<h3>CHEMICAL TYPE/CLASS</h3>
Inorganic
Iron oxide
<h3>CHEMICAL FORMULA/DESCRIPTION</h3>
Fe2O3.xMnO2
Ferroso ferric oxide prepared from ores containing up
to 25 percent manganese dioxide and varying amounts
of alumina and silica
<h3>SOLID BULK DENSITY</h3>
23.3-37.51blUS gal
<h3>OIL ABSORPTION</h3>
23-35wtl100wt
<h3>OIL FILM CHARACTERISTICS</h3>
Fast drying
Hard. fairly flexible
<h3>VEHICLE COMPATIBILITY</h3>
Linseed oil, alkyd. acrylic, watercolor, gouache. tempera.
casein. encaustic. fresco, pastel
<h3>TOXICITY</h3>
Manganese is considered toxic: do not breathe dust
<h3>COMMON NAMES</h3>
<p>Raw umber, natural brown iron oxide
Raw umber. A native earth. its composition is similar to sienna but it contains manganese. A dark brown its tones vary from greenish or yellowish to violet-brown. Not entirely opaque. Good grades come from Italy. The best grade (Turkey umber) comes from Cyprus.</p>
<h3>CREDITS</h3>
<p>The Artist's Handbook of Materials and Techniques - Fifth Edition<br>
By Ralph Mayer</p>
<p><a href="index.html">Color Wheel</a></p>
</div>
<script>
var scale = d3.scale.linear()
.domain([2, 8])
.range(["#170e0d", "#cfc8c1"]);
var boxWidth = 100;
var boxHeight = 100;
var valueRange = [2, 3, 4, 5, 6, 7, 8];
d3.select("div.hex_value_range").selectAll("div")
.data(valueRange)
.enter()
.append("div")
.classed("hex_chip", true)
.style("background-color", function(d) {return scale(d); })
.text( function(d) {return scale(d)});
</script>
</body>
</html>