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#B1E151 Color

#B1E151 is rgb(177, 225, 81) in RGB, hsl(80, 71%, 60%) in HSL, and about cmyk(21%, 0%, 64%, 12%) in CMYK. It has no registered color name of its own — the closest is Inchworm (#B2EC5D), clearly related but distinguishable side by side at ΔE 5.03. Black text is the more readable choice on this background.

#B1E151
HEX#B1E151
RGBrgb(177, 225, 81)
HSLhsl(80, 71%, 60%)
HSVhsv(80, 64%, 88%)
CMYKcmyk(21%, 0%, 64%, 12%)
OKLCHoklch(84.8% 0.178 125.8)
LABlab(84.10% -31.53 62.40)
LCHlch(84.10% 69.91 116.81)

What #B1E151 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 #B1E151, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Inchworm#B2EC5DΔE 5.03Yellow Green#9ACD32ΔE 8.16June Bud#BDDA57ΔE 8.7Limerick#9DC209ΔE 14.31Vivid Lime Green#A6D608ΔE 14.96Maximum Green Yellow#D9E650ΔE 15.07

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

#B1E151 Channel Values

How #B1E151 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 177 · G 225 · B 818-bit channels as sent to the display
HSLH 80° · S 71% · L 60%Easiest model for building lighter and darker variants
HSVH 80° · S 64% · V 88%Matches the picker in most design tools
CMYKC 21% · M 0% · Y 64% · K 12%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.53:1 vs white · 13.76:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #B1E151 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 text1.53:1AA normal AA large AAA normal
TextBlack text13.76:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #B1E151 in the contrast checker.

Colors That Go With #B1E151

Pairings derived from color-wheel relationships. The complementary color sits opposite #B1E151; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#B1E151
Complementary
#8151E1
Analogous
#E1C951
Analogous
#69E151
Triadic
#51B1E1
Triadic
#E151B1
Split comp.
#5169E1
Split comp.
#C951E1

Tints & Shades of #B1E151

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

#BBE566
#C7EA81
#D0ED96
#DCF2B1
#E6F5C6
#F1FAE0

Shades

#A2DC2E
#8BC021
#729D1B
#587A15
#3F570F
#263409

Want a full 50-950 ramp with semantic roles? Generate design tokens from #B1E151.

How #B1E151 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#B1E151
Protanopia#DADA52
Protanomaly#CBDD51
Deuteranopia#D3D355
Deuteranomaly#C6D953
Tritanopia#C0D5D5
Tritanomaly#BADAB0
Achromatopsia#D1D1D1

Test a full palette in the color blindness simulator.

Using #B1E151 in Code

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

CSS custom property--color-b1e151: #B1E151;
CSS backgroundbackground-color: #B1E151;
Tailwind configcolors: { 'color-b1e151': '#B1E151' }
SwiftUIColor(red: 0.694, green: 0.882, blue: 0.318)
Android XML<color name="color_b1e151">#B1E151</color>
SVG fillfill="#B1E151"

More Green Colors

#B1E151 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#B1E151 Frequently Asked Questions

What color is #B1E151?

#B1E151 is a light green — rgb(177, 225, 81) in RGB and hsl(80, 71%, 60%) in HSL. It carries no registered color name of its own; the closest named color is Inchworm (#B2EC5D), which is clearly related but distinguishable side by side at a CIE76 distance of 5.03.

What is the RGB value of #B1E151?

#B1E151 is rgb(177, 225, 81) — red 177, green 225, and blue 81 on the 0-255 scale.

What is the CMYK value of #B1E151?

#B1E151 converts to approximately cmyk(21%, 0%, 64%, 12%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #B1E151 be black or white?

Black text is the more readable choice. #B1E151 scores 1.53:1 against white and 13.76:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #B1E151 as a CSS color keyword?

No. #B1E151 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 yellowgreen (#9ACD32) at a CIE76 distance of 8.16, which is clearly related but distinguishable side by side.

Open #B1E151 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.