CSS notation

Use this for all CSS properties that accept a color as a value: color, background-color, border-color
#66ddaa
#6da
rgb(102,221,170)
hsl(154, 64%, 63%)

Color spaces

Names and values for each color representation
HSL
Hue154.29°
Saturation63.64%
Lightness63.33%
HSV / HSB
Hue154.29°
Saturation53.85%
Value / Brightness86.67%
RGB
Red40%
Green86.67%
Blue66.67%
CMYK
Cyan53.85%
Magenta0%
Yellow23.08%
Black13.33%
YCbCr
Y0.7
Cb-0.02
Cr-0.22

Nearest Colors Name

Most similar colors in standard

Color Harmonies

Schemes of colors that work well together
Complementary Harmony Color Scheme of #66ddaa

Complementary

Create the strongest contrast.
Triad Harmony Color Scheme of #66ddaa

Triad

Let one color dominate and use the other two for the accent.
Square Harmony Color Scheme of #66ddaa

Square

Balance between warm and cool colors.
Adjacent Harmony Color Scheme of #66ddaa

Adjacent / Analogous / Analogic

Pleasing and harmonious to the eye, they can be found in nature.
Split Complementary Harmony Color Scheme of #66ddaa

Split Complementary

Low tension, strong visual contrast.
Rectangle Tetradic Harmony Color Scheme of #66ddaa

Rectangle / Tetradic

Two complementary pairs for a total of four colors.

Tints, Shades, and Tones

Tints of color #66ddaa

Tints

A tint is obtained by adding white to a color. This process reduces darkness.
Shades of color #66ddaa

Shades

A shade is obtained by adding black to a color. This process increases darkness.
Tones of color #66ddaa

Tones

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