#AC18FB Color

#AC18FB is rgb(172, 24, 251) in RGB, hsl(279, 97%, 54%) in HSL, and about cmyk(31%, 90%, 0%, 2%) in CMYK. It has no registered color name of its own — the closest is Vibrant Purple (#AA00FF), very hard to tell apart at ΔE 4.77. White text is the more readable choice on this background.

#AC18FB

HEX#AC18FB

RGBrgb(172, 24, 251)

HSLhsl(279, 97%, 54%)

HSVhsv(279, 90%, 98%)

CMYKcmyk(31%, 90%, 0%, 2%)

OKLCHoklch(58.6% 0.289 308)

LABlab(46.55% 77.05 -81.08)

LCHlch(46.55% 111.85 313.54)

What #AC18FB 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 #AC18FB, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Vibrant Purple#AA00FFΔE 4.77 Purple (X11)#A020F0ΔE 6.07 Electric Purple#BF00FFΔE 6.71 Extreme Violet#9F00FFΔE 7.29 Vivid Orchid#CC00FFΔE 10.81 Electric Violet#8F00FFΔE 11.89

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

#AC18FB Channel Values

How #AC18FB breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 172 · G 24 · B 251	8-bit channels as sent to the display
HSL	H 279° · S 97% · L 54%	Easiest model for building lighter and darker variants
HSV	H 279° · S 90% · V 98%	Matches the picker in most design tools
CMYK	C 31% · M 90% · Y 0% · K 2%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	4.91:1 vs white · 4.28:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #AC18FB 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.

TextWhite text4.91:1AA normal AA large AAA normal

Fails AABlack text4.28:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #AC18FB in the contrast checker.

Colors That Go With #AC18FB

Pairings derived from color-wheel relationships. The complementary color sits opposite #AC18FB; 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 #AC18FB

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 #AC18FB.

How #AC18FB 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#AC18FB

Protanopia#4F4FFB

Protanomaly#7F3FFB

Deuteranopia#6969FA

Deuteranomaly#8954FA

Tritanopia#936565

Tritanomaly#9D51B5

Achromatopsia#717171

Test a full palette in the color blindness simulator.

Using #AC18FB in Code

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

CSS custom property--color-ac18fb: #AC18FB;

CSS backgroundbackground-color: #AC18FB;

Tailwind configcolors: { 'color-ac18fb': '#AC18FB' }

SwiftUIColor(red: 0.675, green: 0.094, blue: 0.984)

Android XML<color name="color_ac18fb">#AC18FB</color>

SVG fillfill="#AC18FB"

More Purple Colors

#AC18FB sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

150024 fdf8ff 170b22 fdf4ff 1b0d35 faf5ff 1d0731 fae8ff 1e0033 f6cfff 20002e f3e8ff 300052 402060 541490 6600cc 7008e7 8806ce 9900cc a11fff b19cd9 c27aff cebeef e0b2eb

#AC18FB Frequently Asked Questions

What color is #AC18FB?

#AC18FB is a mid-tone purple — rgb(172, 24, 251) in RGB and hsl(279, 97%, 54%) in HSL. It carries no registered color name of its own; the closest named color is Vibrant Purple (#AA00FF), which is very hard to tell apart at a CIE76 distance of 4.77.

What is the RGB value of #AC18FB?

#AC18FB is rgb(172, 24, 251) — red 172, green 24, and blue 251 on the 0-255 scale.

What is the CMYK value of #AC18FB?

#AC18FB converts to approximately cmyk(31%, 90%, 0%, 2%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #AC18FB be black or white?

White text is the more readable choice. #AC18FB scores 4.91:1 against white and 4.28:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #AC18FB as a CSS color keyword?

No. #AC18FB 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 darkviolet (#9400D3) at a CIE76 distance of 14.17, which is visibly different.

Open #AC18FB in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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