Close to Kelly Green
#66BF39
#66BF39 is a mid-tone, rich green, close to the color Kelly Green. In RGB it’s made of 40% red, 74.9% green, and 22.4% blue. Its hue is 100°, with 54% saturation and 49% lightness, so it reads as a cool color. Black text sits best on top of it.
Color codes
Tints, shades & tones
Tints add white, shades add black, tones add gray. Tap any one to open its page.
Tints
Shades
Tones
Color harmonies
Combinations from the color wheel, built around #66BF39.
Split complementary
The two neighbors of the complement: contrast that’s easier to balance.
Open in the palette builder →Tetradic
Two complementary pairs: rich, best with one color in charge.
Open in the palette builder →Contrast & readability
WCAG contrast ratios for text. 4.5:1 is the minimum for body text, 3:1 for large text.
White text on this color
2.31:1 FailBlack text on this color
9.08:1 AAAThis color as text on white
2.31:1 FailThis color as text on black
9.08:1 AAAHow it looks with color blindness
About 1 in 12 men and 1 in 200 women see color differently. Here’s #66BF39 as they’d see it.
#66BF39 in use
A headline in this color
Body text stays dark for reading; the color carries buttons, links, and accents.
On a dark background
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Brands with a similar color
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Questions about #66BF39
What color is #66BF39?
#66BF39 is a mid-tone, rich green, close to the color Kelly Green. In RGB it’s made of 40% red, 74.9% green, and 22.4% blue. Its hue is 100°, with 54% saturation and 49% lightness, so it reads as a cool color. Black text sits best on top of it.
What is #66BF39 in RGB?
#66BF39 is rgb(102, 191, 57): 102 red, 191 green, and 57 blue on a 0–255 scale.
What is #66BF39 in CMYK?
Roughly cmyk(47, 0, 70, 25). Print results depend on paper and press, so proof it before a big print run.
What Pantone is closest to #66BF39?
PANTONE 361 C is the closest match in our list. Screen colors and ink never match perfectly; check a physical Pantone guide.
What color goes with #66BF39?
Its complement #D88DFA gives the strongest contrast. For something calmer, try its analogous neighbors, or its own tints and shades above.