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#B3FB09 Color

#B3FB09 is rgb(179, 251, 9) in RGB, hsl(78, 97%, 51%) in HSL, and about cmyk(29%, 0%, 96%, 2%) in CMYK. It has no registered color name of its own — the closest is Lime (Color Wheel) (#BFFF00), very hard to tell apart at ΔE 4. Black text is the more readable choice on this background.

#B3FB09
HEX#B3FB09
RGBrgb(179, 251, 9)
HSLhsl(78, 97%, 51%)
HSVhsv(78, 96%, 98%)
CMYKcmyk(29%, 0%, 96%, 2%)
OKLCHoklch(90.6% 0.235 127.7)
LABlab(91.33% -43.36 85.45)
LCHlch(91.33% 95.82 116.90)

What #B3FB09 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 #B3FB09, 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.

#B3FB09 Channel Values

How #B3FB09 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 179 · G 251 · B 98-bit channels as sent to the display
HSLH 78° · S 97% · L 51%Easiest model for building lighter and darker variants
HSVH 78° · S 96% · V 98%Matches the picker in most design tools
CMYKC 29% · M 0% · Y 96% · K 2%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.26:1 vs white · 16.72:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #B3FB09 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 text1.26:1AA normal AA large AAA normal
TextBlack text16.72:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #B3FB09 in the contrast checker.

Colors That Go With #B3FB09

Pairings derived from color-wheel relationships. The complementary color sits opposite #B3FB09; 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 #B3FB09

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 #B3FB09.

How #B3FB09 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#B3FB09
Protanopia#F1F110
Protanomaly#DBF50D
Deuteranopia#E6E623
Deuteranomaly#D4EF1C
Tritanopia#C7EDED
Tritanomaly#C0F2BD
Achromatopsia#E5E5E5

Test a full palette in the color blindness simulator.

Using #B3FB09 in Code

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

CSS custom property--color-b3fb09: #B3FB09;
CSS backgroundbackground-color: #B3FB09;
Tailwind configcolors: { 'color-b3fb09': '#B3FB09' }
SwiftUIColor(red: 0.702, green: 0.984, blue: 0.035)
Android XML<color name="color_b3fb09">#B3FB09</color>
SVG fillfill="#B3FB09"

More Green Colors

#B3FB09 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

#B3FB09 Frequently Asked Questions

What color is #B3FB09?

#B3FB09 is a mid-tone green — rgb(179, 251, 9) in RGB and hsl(78, 97%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Lime (Color Wheel) (#BFFF00), which is very hard to tell apart at a CIE76 distance of 4.

What is the RGB value of #B3FB09?

#B3FB09 is rgb(179, 251, 9) — red 179, green 251, and blue 9 on the 0-255 scale.

What is the CMYK value of #B3FB09?

#B3FB09 converts to approximately cmyk(29%, 0%, 96%, 2%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #B3FB09 be black or white?

Black text is the more readable choice. #B3FB09 scores 1.26:1 against white and 16.72:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #B3FB09 as a CSS color keyword?

No. #B3FB09 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 5.93, which is clearly related but distinguishable side by side.

Open #B3FB09 in a Tool

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