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#66AE61 Color

#66AE61 is rgb(102, 174, 97) in RGB, hsl(116, 32%, 53%) in HSL, and about cmyk(41%, 0%, 44%, 32%) in CMYK. It has no registered color name of its own — the closest is Bud Green (#7BB661), clearly related but distinguishable side by side at ΔE 6.88. Black text is the more readable choice on this background.

#66AE61
HEX#66AE61
RGBrgb(102, 174, 97)
HSLhsl(116, 32%, 53%)
HSVhsv(116, 44%, 68%)
CMYKcmyk(41%, 0%, 44%, 32%)
OKLCHoklch(68.4% 0.131 142.6)
LABlab(64.98% -35.40 32.07)
LCHlch(64.98% 47.77 137.82)

What #66AE61 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #66AE61, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Bud Green#7BB661ΔE 6.88Mantis#74C365ΔE 10.58May Green#4C9141ΔE 11.08Pistachio#93C572ΔE 12.66Asparagus#7BA05BΔE 13.24Medium Sea Green#3CB371ΔE 13.49

Browse the full index of named colors A-Z or every green in the library.

#66AE61 Channel Values

How #66AE61 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 102 · G 174 · B 978-bit channels as sent to the display
HSLH 116° · S 32% · L 53%Easiest model for building lighter and darker variants
HSVH 116° · S 44% · V 68%Matches the picker in most design tools
CMYKC 41% · M 0% · Y 44% · K 32%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.7:1 vs white · 7.79:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66AE61 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

Fails AAWhite text2.7:1AA normal AA large AAA normal
TextBlack text7.79:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #66AE61 in the contrast checker.

Colors That Go With #66AE61

Pairings derived from color-wheel relationships. The complementary color sits opposite #66AE61; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#66AE61
Complementary
#A861AE
Analogous
#8CAE61
Analogous
#61AE82
Triadic
#6166AE
Triadic
#AE6166
Split comp.
#8261AE
Split comp.
#AE618C

Tints & Shades of #66AE61

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#79B875
#90C48D
#A4CEA1
#BBDBB8
#CEE5CD
#E5F1E4

Shades

#559B50
#488344
#3B6C37
#2E542B
#213D1F
#142513

Want a full 50-950 ramp with semantic roles? Generate design tokens from #66AE61.

How #66AE61 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#66AE61
Protanopia#A4A462
Protanomaly#90A861
Deuteranopia#9B9B64
Deuteranomaly#89A363
Tritanopia#73A7A7
Tritanomaly#6EAA90
Achromatopsia#9E9E9E

Test a full palette in the color blindness simulator.

Using #66AE61 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-66ae61: #66AE61;
CSS backgroundbackground-color: #66AE61;
Tailwind configcolors: { 'color-66ae61': '#66AE61' }
SwiftUIColor(red: 0.400, green: 0.682, blue: 0.380)
Android XML<color name="color_66ae61">#66AE61</color>
SVG fillfill="#66AE61"

More Green Colors

#66AE61 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#66AE61 Frequently Asked Questions

What color is #66AE61?

#66AE61 is a mid-tone green — rgb(102, 174, 97) in RGB and hsl(116, 32%, 53%) in HSL. It carries no registered color name of its own; the closest named color is Bud Green (#7BB661), which is clearly related but distinguishable side by side at a CIE76 distance of 6.88.

What is the RGB value of #66AE61?

#66AE61 is rgb(102, 174, 97) — red 102, green 174, and blue 97 on the 0-255 scale.

What is the CMYK value of #66AE61?

#66AE61 converts to approximately cmyk(41%, 0%, 44%, 32%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66AE61 be black or white?

Black text is the more readable choice. #66AE61 scores 2.7:1 against white and 7.79:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #66AE61 as a CSS color keyword?

No. #66AE61 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is mediumseagreen (#3CB371) at a CIE76 distance of 13.49, which is visibly different.

Open #66AE61 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.