Nostalgic Color

#666c7e

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

Inverse Color #999381
Complementary Color #7d7866
Color Shade: blue cyan (225° hue)
Color Temperature: cool
Lightness: 44.71% (better contrasting with white)
Nostalgic Color Sample
Nostalgic Color Sample

Better Alternatives To #666c7e

If you're looking for a similar blue cyan shade, there are some better alternatives to Nostalgic Color. The Tempest color for instance is a lighter and a bit more vibrant option, however this color has a blue cyan bias. Consider a darker and more saturated alternative called Harbourmaster (#4e536b) for more energetic effect. Try Edge of Black as it also a bit more faded and calm.

Complementary Palette

#7d7866 is the best complementary color to Nostalgic. 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 #666c7e complementary color is Pablo, as it offers maximum contrast and grab the viewer's attention.

Analogous Palette

The analogous palette of cool cyan, cool blue, and warm blue colors offers a soft combination of similar cool shades. The analogous colors of Pale Sky are #66777d and #6c667d. Thus found on the left and right of #666c7e on the color wheel with a 30° gap. Consider matching Nevada and Dolphin colors as they work well with Nostalgic.

Split-complementary Palette

The split-complementary Nostalgic palette consists of #777d66 and #7d6c66 colors. They can be found 30° apart on either side of the complementary color (#7d7866). Try Limed Ash and Sand Dune colors in combination with #666c7e, 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 #666c7e offers a combination of yellow green and red magenta shades and equally high contrast between the three of them. Find triadic colors at the 120° distance from the Nostalgic. Thus Willow Grove and Falcon giving maximum hue separation to use all three together.

Square Palette

The square color palette of Nostalgic contains three additional colors. Thus, complementary Pablo, Old Lavender, and Viridian Green split by 90° on the color wheel. #666c7e square combo is a palette of cool blue, warm 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. Nostalgic tetradic combo consists of warm yellow complementary color (#7d7866) and two others. The Falcon is positioned 120° clockwise from the primary color and Sirocco – 120° from the complementary Pablo. This palette is not recommended to use as-is. Try to tweak the saturation and brightness of #7d666c and #667d78.

Conversion Table

In a RGB color space, hex #666c7e is made of 30% red, 32% green and 38% blue. In a HSL mode Nostalgic has a hue angle of 225°, a saturation of 10.53% and a lightness of 44.71%. In a CMYK space (used in printing only), hex #666c7e is made of 9.41% cyan, 7.06% magenta, 0% yellow and 50.59% black ink.

HEX #666c7e
RGB Decimal rgb(102,108,126)
RGB Percentage 30%, 32%, 38%
CMYK 9.41, 7.06, 0, 50.59
HSL hsl(225,10.53%,44.71%)
HSV (or HSB) hsv(225,19.05%,49.41%)
CIE-LAB lab(45.7112,1.8301,-10.7379)
XYZ xyz(14.6079,15.0563,21.8749)
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