CSS notation

Use this for all CSS properties that accept a color as a value: color, background-color, border-color
#00cc99
#0c9
rgb(0,204,153)
hsl(165, 100%, 40%)

Color spaces

Names and values for each color representation
HSL
Hue165°
Saturation100%
Lightness40%
HSV / HSB
Hue165°
Saturation100%
Value / Brightness80%
RGB
Red0%
Green80%
Blue60%
CMYK
Cyan100%
Magenta0%
Yellow25%
Black20%
YCbCr
Y0.54
Cb0.03
Cr-0.38

Nearest Colors Name

Most similar colors in standard

Color Harmonies

Schemes of colors that work well together
Complementary Harmony Color Scheme of #00cc99

Complementary

Create the strongest contrast.
Triad Harmony Color Scheme of #00cc99

Triad

Let one color dominate and use the other two for the accent.
Square Harmony Color Scheme of #00cc99

Square

Balance between warm and cool colors.
Adjacent Harmony Color Scheme of #00cc99

Adjacent / Analogous / Analogic

Pleasing and harmonious to the eye, they can be found in nature.
Split Complementary Harmony Color Scheme of #00cc99

Split Complementary

Low tension, strong visual contrast.
Rectangle Tetradic Harmony Color Scheme of #00cc99

Rectangle / Tetradic

Two complementary pairs for a total of four colors.

Tints, Shades, and Tones

Tints of color #00cc99

Tints

A tint is obtained by adding white to a color. This process reduces darkness.
Shades of color #00cc99

Shades

A shade is obtained by adding black to a color. This process increases darkness.
Tones of color #00cc99

Tones

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