#669C5B
Fern · medium cool green
About #669C5B
#669C5B is a medium, moderately saturated green colour. Digitally that works out to 40% red, 61% green and 36% blue. In CMYK print terms it is 35% cyan, 0% magenta, 42% yellow and 39% black. Most people will perceive it as cool.
Visually it is similar to Fern (ΔE 13.9), with Moss the next nearest named colour. Across the colour wheel sits #915B9C (plum), its complementary partner.
Because it is medium, it is most useful for illustrations, icons and secondary elements. Put black text on top of it — 6.47:1, a WCAG AA pass.
Colour codes
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Closest named colours
ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.
Text on #669C5B
WCAG contrast for white and black text on this colour.
Colour-blindness preview
How #669C5B appears to people with the three most common types of colour-vision deficiency.
Shades, tints & matching colours
Similar colours
Frequently asked questions
›What colour is #669C5B?
#669C5B is a medium, moderately saturated green colour. Digitally that works out to 40% red, 61% green and 36% blue. In CMYK print terms it is 35% cyan, 0% magenta, 42% yellow and 39% black. Most people will perceive it as cool.
›What text colour should I use on #669C5B?
Use black text. Black on #669C5B has a contrast ratio of 6.47:1 (AA).
›What colours go with #669C5B?
Its complementary colour is #915B9C, and analogous partners are #879C5B and #5B9C70.