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#66F488 Color

#66F488 is rgb(102, 244, 136) in RGB, hsl(134, 87%, 68%) in HSL, and about cmyk(58%, 0%, 44%, 4%) in CMYK. It has no registered color name of its own — the closest is Very Light Malachite Green (#64E986), clearly related but distinguishable side by side at ΔE 5.65. Black text is the more readable choice on this background.

#66F488
HEX#66F488
RGBrgb(102, 244, 136)
HSLhsl(134, 87%, 68%)
HSVhsv(134, 58%, 96%)
CMYKcmyk(58%, 0%, 44%, 4%)
OKLCHoklch(86.4% 0.192 148.7)
LABlab(86.65% -57.08 39.94)
LCHlch(86.65% 69.66 145.02)

What #66F488 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 #66F488, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Very Light Malachite Green#64E986ΔE 5.65Mint#98FF98ΔE 11.93Android Green#3DDC84ΔE 12.2Pastel Green#77DD77ΔE 12.45Pale Green#98FB98ΔE 13.07Medium Spring Green#00FA9AΔE 13.49

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

#66F488 Channel Values

How #66F488 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 244 · B 1368-bit channels as sent to the display
HSLH 134° · S 87% · L 68%Easiest model for building lighter and darker variants
HSVH 134° · S 58% · V 96%Matches the picker in most design tools
CMYKC 58% · M 0% · Y 44% · K 4%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.41:1 vs white · 14.86:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #66F488 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 text1.41:1AA normal AA large AAA normal
TextBlack text14.86:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #66F488 in the contrast checker.

Colors That Go With #66F488

Pairings derived from color-wheel relationships. The complementary color sits opposite #66F488; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#66F488
Complementary
#F466D3
Analogous
#8CF466
Analogous
#66F4CF
Triadic
#8866F4
Triadic
#F48866
Split comp.
#CF66F4
Split comp.
#F4668C

Tints & Shades of #66F488

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

#79F696
#91F7A9
#A4F9B8
#B7FAC7
#CBFBD6
#E2FDE9

Shades

#3BF166
#11EE44
#0EC438
#0A942A
#07691E
#043E12

Want a full 50-950 ramp with semantic roles? Generate design tokens from #66F488.

How #66F488 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#66F488
Protanopia#E4E489
Protanomaly#BEEA89
Deuteranopia#D3D38D
Deuteranomaly#B2E18B
Tritanopia#80EAEA
Tritanomaly#77EECA
Achromatopsia#D9D9D9

Test a full palette in the color blindness simulator.

Using #66F488 in Code

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

CSS custom property--color-66f488: #66F488;
CSS backgroundbackground-color: #66F488;
Tailwind configcolors: { 'color-66f488': '#66F488' }
SwiftUIColor(red: 0.400, green: 0.957, blue: 0.533)
Android XML<color name="color_66f488">#66F488</color>
SVG fillfill="#66F488"

More Green Colors

#66F488 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#66F488 Frequently Asked Questions

What color is #66F488?

#66F488 is a light green — rgb(102, 244, 136) in RGB and hsl(134, 87%, 68%) in HSL. It carries no registered color name of its own; the closest named color is Very Light Malachite Green (#64E986), which is clearly related but distinguishable side by side at a CIE76 distance of 5.65.

What is the RGB value of #66F488?

#66F488 is rgb(102, 244, 136) — red 102, green 244, and blue 136 on the 0-255 scale.

What is the CMYK value of #66F488?

#66F488 converts to approximately cmyk(58%, 0%, 44%, 4%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #66F488 be black or white?

Black text is the more readable choice. #66F488 scores 1.41:1 against white and 14.86:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #66F488 as a CSS color keyword?

No. #66F488 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 palegreen (#98FB98) at a CIE76 distance of 13.07, which is visibly different.

Open #66F488 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.