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#66AE0F Color

#66AE0F is rgb(102, 174, 15) in RGB, hsl(87, 84%, 37%) in HSL, and about cmyk(41%, 0%, 91%, 32%) in CMYK. It has no registered color name of its own — the closest is Microsoft Green (#7DB700), clearly related but distinguishable side by side at ΔE 8.11. Black text is the more readable choice on this background.

#66AE0F
HEX#66AE0F
RGBrgb(102, 174, 15)
HSLhsl(87, 84%, 37%)
HSVhsv(87, 91%, 68%)
CMYKcmyk(41%, 0%, 91%, 32%)
OKLCHoklch(67.7% 0.187 133.1)
LABlab(64.43% -40.38 62.07)
LCHlch(64.43% 74.05 123.05)

What #66AE0F 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 #66AE0F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Microsoft Green#7DB700ΔE 8.11Green (RYB)#66B032ΔE 8.66Kelly Green#4CBB17ΔE 12.46Yellow Green#9ACD32ΔE 14.77Vine Green#38A32AΔE 15.65Slimy Green#299617ΔE 16.89

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

#66AE0F Channel Values

How #66AE0F 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 158-bit channels as sent to the display
HSLH 87° · S 84% · L 37%Easiest model for building lighter and darker variants
HSVH 87° · S 91% · V 68%Matches the picker in most design tools
CMYKC 41% · M 0% · Y 91% · K 32%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.75:1 vs white · 7.63:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66AE0F 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 text2.75:1AA normal AA large AAA normal
TextBlack text7.63:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #66AE0F in the contrast checker.

Colors That Go With #66AE0F

Pairings derived from color-wheel relationships. The complementary color sits opposite #66AE0F; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#66AE0F
Complementary
#560FAE
Analogous
#AEA60F
Analogous
#17AE0F
Triadic
#0F66AE
Triadic
#AE0F66
Split comp.
#0F17AE
Split comp.
#A60FAE

Tints & Shades of #66AE0F

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

#7FD813
#94EC27
#A9F051
#BEF47C
#D3F7A6
#E5FBCB

Shades

#58960D
#4D830B
#406C09
#325407
#243D05
#192A04

Want a full 50-950 ramp with semantic roles? Generate design tokens from #66AE0F.

How #66AE0F 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#66AE0F
Protanopia#A4A412
Protanomaly#90A811
Deuteranopia#9B9B1E
Deuteranomaly#89A319
Tritanopia#78A4A4
Tritanomaly#71A882
Achromatopsia#9C9C9C

Test a full palette in the color blindness simulator.

Using #66AE0F in Code

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

CSS custom property--color-66ae0f: #66AE0F;
CSS backgroundbackground-color: #66AE0F;
Tailwind configcolors: { 'color-66ae0f': '#66AE0F' }
SwiftUIColor(red: 0.400, green: 0.682, blue: 0.059)
Android XML<color name="color_66ae0f">#66AE0F</color>
SVG fillfill="#66AE0F"

More Green Colors

#66AE0F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#66AE0F Frequently Asked Questions

What color is #66AE0F?

#66AE0F is a dark green — rgb(102, 174, 15) in RGB and hsl(87, 84%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Microsoft Green (#7DB700), which is clearly related but distinguishable side by side at a CIE76 distance of 8.11.

What is the RGB value of #66AE0F?

#66AE0F is rgb(102, 174, 15) — red 102, green 174, and blue 15 on the 0-255 scale.

What is the CMYK value of #66AE0F?

#66AE0F converts to approximately cmyk(41%, 0%, 91%, 32%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66AE0F be black or white?

Black text is the more readable choice. #66AE0F scores 2.75:1 against white and 7.63:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #66AE0F as a CSS color keyword?

No. #66AE0F 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 yellowgreen (#9ACD32) at a CIE76 distance of 14.77, which is visibly different.

Open #66AE0F 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.