Search for a name or a RGB value RRR,GGG,BBB or a Hex value #rrggbb

Color space conversion

Conversion of this color for each color space representation
RGB open »
Red Green Blue
40% 60% 60%
HSL open »
Hue Saturation Lightness
180° 20% 50%
Hue Saturation Value / Brightness
180° 33.33% 60%
RGB - Normalized
Red Green Blue
0.4 0.6 0.6
HSL - Normalized
Hue Saturation Lightness
0.5 0.2 0.5
HSV / HSB - Normalized
Hue Saturation Value / Brightness
0.5 0.33 0.6
CMYK open »
Cyan Magenta Yellow Black
33% 0% 0% 40%
Y Cb Cr
0.54 0.03 -0.1
22.62 27.91 34.33
L a b
59.8 -16.89 -5.43
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Nearest Colors Name

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CSS notation

Use this for all CSS properties that accept a color as a value: color, background-color, border-color
hsl(180, 20%, 50%)

Tints, Shades, and Tones

Tints of color #669999


A tint is obtained by adding white to a color. This process reduces darkness.
Shades of color #669999


A shade is obtained by adding black to a color. This process increases darkness.
Tones of color #669999


A tone is produced either by mixing a color with grey, or by both tinting and shading.

Recommended Books

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Color Harmonies

Schemes of colors that work well together. Read more about Color Harmonies »
Complementary Harmony Color Scheme of #669999


Create the strongest contrast.
Triad Harmony Color Scheme of #669999


Let one color dominate and use the other two for the accent.
Square Harmony Color Scheme of #669999


Balance between warm and cool colors.
Adjacent Harmony Color Scheme of #669999

Adjacent / Analogous / Analogic

Pleasing and harmonious to the eye, they can be found in nature.
Split Complementary Harmony Color Scheme of #669999

Split Complementary

Low tension, strong visual contrast.
Rectangle Tetradic Harmony Color Scheme of #669999

Rectangle / Tetradic

Two complementary pairs for a total of four colors.
Pentagram Harmony Color Scheme of #669999


Circle around the color wheel, five colors.