London Grey Color

#666677

London Grey is pale, cool-toned shade of cool blue. It is better contrasting with white. This color combines beautifully with warm yellow, cool green or mid red

Inverse Color #998
Complementary Color #776
Color Shade: cool blue (240° hue)
Color Temperature: cool
Lightness: 43.33% (better contrasting with white)
London Grey Color Sample
London Grey Color Sample

Better Alternatives To #666677

If you're looking for a similar cool blue shade, there are some better alternatives to London Grey Color. The Pango Black color for instance is a darker and a bit more vibrant option, however this color has a blue cyan bias. Consider a lighter and more saturated alternative called Waterloo (#7b7c94) for more energetic effect. Try Jumbo as it also a bit more faded and calm.

Complementary Palette

#776 is the best complementary color to London Grey. Warm yellow shades generally complement the cool blue hues best as they are found on the opposite end of the color wheel. The most popular #667 complementary color is White, as it offers maximum contrast and grab the viewer's attention.

Analogous Palette

The analogous palette of blue cyan, cool blue, and warm blue colors offers a soft combination of similar cool shades. The analogous colors of White are #666e77 and #6e6677. Thus found on the left and right of #667 on the color wheel with a 30° gap. Consider matching Nevada and Salt Box colors as they work well with London Grey.

Split-complementary Palette

The split-complementary London Grey palette consists of #6e7766 and #776e66 colors. They can be found 30° apart on either side of the complementary color (#776). Try Limed Ash and Sandstone colors in combination with #667, 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 #667 offers a combination of warm green and mid red shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the London Grey. Thus White and White giving maximum hue separation to use all three together.

Square Palette

The square color palette of London Grey contains three additional colors. Thus, complementary White, Falcon, and Corduroy split by 90° on the color wheel. #667 square combo is a palette of cool blue, red magenta, warm yellow and cool green 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. London Grey tetradic combo consists of warm yellow complementary color (#776) and two others. The White is positioned 120° clockwise from the primary color and White – 120° from the complementary White. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #766 and #677.

Conversion Table

In a RGB color space, hex #666677 is made of 32% red, 32% green and 37% blue. In a HSL mode London Grey has a hue angle of 240°, a saturation of 7.69% and a lightness of 43.33%. In a CMYK space (used in printing only), hex #666677 is made of 6.67% cyan, 6.67% magenta, 0% yellow and 53.33% black ink.

HEX #666677
RGB Decimal rgb(102,102,119)
RGB Percentage 32%, 32%, 37%
CMYK 6.67, 6.67, 0, 53.33
HSL hsl(240,7.69%,43.33%)
HSV (or HSB) hsv(240,14.29%,46.67%)
CIE-LAB lab(43.7405,3.7644,-9.4909)
XYZ xyz(13.5606,13.6594,19.3746)
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