Cast Iron Color

#64645a

Cast Iron is pale, warm-toned shade of warm yellow. It is better contrasting with white. This color combines beautifully with cool blue, warm magenta or warm cyan

Inverse Color #9b9ba5
Complementary Color #5a5a64
Color Shade: warm yellow (60° hue)
Color Temperature: warm
Lightness: 37.25% (better contrasting with white)
Cast Iron Color Sample
Cast Iron Color Sample

Better Alternatives To #64645a

If you're looking for a similar warm yellow shade, there are some better alternatives to Cast Iron Color. The Natural Pumice color for instance is a darker and a bit more faded option, however this color has a orange bias. Consider a lighter and more saturated alternative called Mount Tam (#7c7b6a) for more energetic effect. Try Tapa as it also a bit more faded and calm.

Complementary Palette

#5a5a64 is the best complementary color to Cast Iron. Cool blue shades generally complement the warm yellow hues best as they are found on the opposite end of the color wheel. The most popular #64645a complementary color is Scarpa Flow, as it offers maximum contrast and grab the viewer's attention.

Analogous Palette

The analogous palette of warm red, warm yellow, and cool yellow colors offers a soft combination of similar warm shades. The analogous colors of Ironside Gray are #645f5a and #5f645a. Thus found on the left and right of #64645a on the color wheel with a 30° gap. Consider matching Chicago and Siam colors as they work well with Cast Iron.

Split-complementary Palette

The split-complementary Cast Iron palette consists of #5f5a64 and #5a5f64 colors. They can be found 30° apart on either side of the complementary color (#5a5a64). Try Salt Box and Shuttle Gray colors in combination with #64645a, as they are not as contrasting as a complementary color, hence, giving more hue variety to make your design stand out.

Triadic Palette

The triadic palette of #64645a offers a combination of cool magenta and warm cyan shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Cast Iron. Thus Old Lavender and Corduroy giving maximum hue separation to use all three together.

Square Palette

The square color palette of Cast Iron contains three additional colors. Thus, complementary Scarpa Flow, Corduroy, and Scorpion split by 90° on the color wheel. #64645a square combo is a palette of warm yellow, cool green, cool blue and warm magenta shades that work together well.

Tetradic Palette

The tetradic palette is a bit more complex than the square and has more of a rectangle shape. Cast Iron tetradic combo consists of cool blue complementary color (#5a5a64) and two others. The Corduroy is positioned 120° clockwise from the primary color and Zambezi – 120° from the complementary Scarpa Flow. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #5a6464 and #645a5a.

Conversion Table

In a RGB color space, hex #64645a is made of 34% red, 34% green and 31% blue. In a HSL mode Cast Iron has a hue angle of 60°, a saturation of 5.26% and a lightness of 37.25%. In a CMYK space (used in printing only), hex #64645a is made of 0% cyan, 0% magenta, 3.93% yellow and 60.78% black ink.

HEX #64645a
RGB Decimal rgb(100,100,90)
RGB Percentage 34%, 34%, 31%
CMYK 0, 0, 3.93, 60.78
HSL hsl(60,5.26%,37.25%)
HSV (or HSB) hsv(60,10%,39.22%)
CIE-LAB lab(42.0955,-1.9836,5.6724)
XYZ xyz(11.6582,12.5619,11.4831)
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