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#A4FC31 Color

#A4FC31 is rgb(164, 252, 49) in RGB, hsl(86, 97%, 59%) in HSL, and about cmyk(35%, 0%, 81%, 1%) in CMYK. It has no registered color name of its own — the closest is French Lime (#9EFD38), very hard to tell apart at ΔE 2.86. Black text is the more readable choice on this background.

#A4FC31
HEX#A4FC31
RGBrgb(164, 252, 49)
HSLhsl(86, 97%, 59%)
HSVhsv(86, 81%, 99%)
CMYKcmyk(35%, 0%, 81%, 1%)
OKLCHoklch(90.1% 0.234 131.3)
LABlab(90.89% -48.28 78.64)
LCHlch(90.89% 92.28 121.55)

What #A4FC31 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 #A4FC31, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#A4FC31 Channel Values

How #A4FC31 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 164 · G 252 · B 498-bit channels as sent to the display
HSLH 86° · S 97% · L 59%Easiest model for building lighter and darker variants
HSVH 86° · S 81% · V 99%Matches the picker in most design tools
CMYKC 35% · M 0% · Y 81% · K 1%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.27:1 vs white · 16.55:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A4FC31 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 text1.27:1AA normal AA large AAA normal
TextBlack text16.55:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A4FC31 in the contrast checker.

Colors That Go With #A4FC31

Pairings derived from color-wheel relationships. The complementary color sits opposite #A4FC31; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #A4FC31

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #A4FC31.

How #A4FC31 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#A4FC31
Protanopia#F0F033
Protanomaly#D6F532
Deuteranopia#E4E43E
Deuteranomaly#CDEE39
Tritanopia#BAEEEE
Tritanomaly#B2F4C0
Achromatopsia#E4E4E4

Test a full palette in the color blindness simulator.

Using #A4FC31 in Code

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

CSS custom property--color-a4fc31: #A4FC31;
CSS backgroundbackground-color: #A4FC31;
Tailwind configcolors: { 'color-a4fc31': '#A4FC31' }
SwiftUIColor(red: 0.643, green: 0.988, blue: 0.192)
Android XML<color name="color_a4fc31">#A4FC31</color>
SVG fillfill="#A4FC31"

More Green Colors

#A4FC31 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

#A4FC31 Frequently Asked Questions

What color is #A4FC31?

#A4FC31 is a mid-tone green — rgb(164, 252, 49) in RGB and hsl(86, 97%, 59%) in HSL. It carries no registered color name of its own; the closest named color is French Lime (#9EFD38), which is very hard to tell apart at a CIE76 distance of 2.86.

What is the RGB value of #A4FC31?

#A4FC31 is rgb(164, 252, 49) — red 164, green 252, and blue 49 on the 0-255 scale.

What is the CMYK value of #A4FC31?

#A4FC31 converts to approximately cmyk(35%, 0%, 81%, 1%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A4FC31 be black or white?

Black text is the more readable choice. #A4FC31 scores 1.27:1 against white and 16.55:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A4FC31 as a CSS color keyword?

No. #A4FC31 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 greenyellow (#ADFF2F) at a CIE76 distance of 2.92, which is very hard to tell apart.

Open #A4FC31 in a Tool

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