Neon Red (#FF1818)

The hex code for Neon Red is #FF1818. It is rgb(255, 24, 24) in RGB, hsl(0, 100%, 55%) in HSL, and about cmyk(0%, 91%, 91%, 0%) in CMYK — a mid-tone red. Black text is the more readable choice on this background.

#FF1818

HEX#FF1818

RGBrgb(255, 24, 24)

HSLhsl(0, 100%, 55%)

HSVhsv(0, 91%, 100%)

CMYKcmyk(0%, 91%, 91%, 0%)

OKLCHoklch(63.4% 0.252 28.5)

LABlab(55.03% 79.03 63.33)

LCHlch(55.03% 101.27 38.71)

Colors Closest to Neon Red

Neon Red is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Red (RYB)#FE2712ΔE 3.44 Vivid Red#F70D1AΔE 3.67 Red Strawberry#EC0304ΔE 5.73 Neon Scarlet#FF2603ΔE 6.53 Candy Apple Red#FF0800ΔE 6.74 Red#FF0000ΔE 6.84

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

#FF1818 Channel Values

How Neon Red 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 255 · G 24 · B 24	8-bit channels as sent to the display
HSL	H 0° · S 100% · L 55%	Easiest model for building lighter and darker variants
HSV	H 0° · S 91% · V 100%	Matches the picker in most design tools
CMYK	C 0% · M 91% · Y 91% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	3.89:1 vs white · 5.4:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Neon Red 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 text3.89:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.4:1AA normal ✓AA large ✓AAA normal ✗

Need a specific ratio against another background? Open #FF1818 in the contrast checker.

Colors That Go With Neon Red

Pairings derived from color-wheel relationships. The complementary color sits opposite Neon Red; 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 Neon Red

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 #FF1818.

How Neon Red 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#FF1818

Protanopia#75750F

Protanomaly#BD5D13

Deuteranopia#9D9D00

Deuteranomaly#CC7D00

Tritanopia#FF1818

Tritanomaly#FF1818

Achromatopsia#818181

Test a full palette in the color blindness simulator.

Using #FF1818 in Code

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

CSS custom property--neon-red: #FF1818;

CSS backgroundbackground-color: #FF1818;

Tailwind configcolors: { 'neon-red': '#FF1818' }

SwiftUIColor(red: 1.000, green: 0.094, blue: 0.094)

Android XML<color name="neon_red">#FF1818</color>

SVG fillfill="#FF1818"

More Red Colors

Neon Red sits in the redfamily. These are its neighbours across that family's full range, each with its own breakdown.

ff1f1f ff0f4b ff2056 ff0f37 ff2400 ff0f0f ff2424 ff0a33 ff2603 ff0800 ff2929 ff052b ff6467 ffb7c5 fff5f5 4a1717 703642 922724 a57164 c0362c cdacac e30022 ee204d fa8072

#FF1818 Frequently Asked Questions

What is the hex code for Neon Red?

The hex code for Neon Red is #FF1818. That is rgb(255, 24, 24) in RGB, hsl(0, 100%, 55%) in HSL, and approximately cmyk(0%, 91%, 91%, 0%) in CMYK.

What is the RGB value of #FF1818?

#FF1818 is rgb(255, 24, 24) — red 255, green 24, and blue 24 on the 0-255 scale.

What is the CMYK value of #FF1818?

#FF1818 converts to approximately cmyk(0%, 91%, 91%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #FF1818 be black or white?

Black text is the more readable choice. #FF1818 scores 3.89:1 against white and 5.4:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #FF1818 as a CSS color keyword?

No. #FF1818 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 red (#FF0000) at a CIE76 distance of 6.84, which is clearly related but distinguishable side by side.

Open Neon Red 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 red in the color library, the guide to shades of red, or the full color library.