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#B4E042 Color

#B4E042 is rgb(180, 224, 66) in RGB, hsl(77, 72%, 57%) in HSL, and about cmyk(20%, 0%, 71%, 12%) in CMYK. It has no registered color name of its own — the closest is Yellow Green (#9ACD32), clearly related but distinguishable side by side at ΔE 7.87. Black text is the more readable choice on this background.

#B4E042
HEX#B4E042
RGBrgb(180, 224, 66)
HSLhsl(77, 72%, 57%)
HSVhsv(77, 71%, 88%)
CMYKcmyk(20%, 0%, 71%, 12%)
OKLCHoklch(84.7% 0.185 124)
LABlab(83.93% -30.66 67.81)
LCHlch(83.93% 74.42 114.33)

What #B4E042 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 #B4E042, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Yellow Green#9ACD32ΔE 7.87Inchworm#B2EC5DΔE 8.81Vivid Lime Green#A6D608ΔE 10.03Limerick#9DC209ΔE 11.23June Bud#BDDA57ΔE 11.26Maximum Green Yellow#D9E650ΔE 13.19

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

#B4E042 Channel Values

How #B4E042 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 180 · G 224 · B 668-bit channels as sent to the display
HSLH 77° · S 72% · L 57%Easiest model for building lighter and darker variants
HSVH 77° · S 71% · V 88%Matches the picker in most design tools
CMYKC 20% · M 0% · Y 71% · K 12%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.53:1 vs white · 13.68:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #B4E042 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 text13.68:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #B4E042 in the contrast checker.

Colors That Go With #B4E042

Pairings derived from color-wheel relationships. The complementary color sits opposite #B4E042; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#B4E042
Complementary
#6F42E0
Analogous
#E0BE42
Analogous
#65E042
Triadic
#42B4E0
Triadic
#E042B4
Split comp.
#4265E0
Split comp.
#BE42E0

Tints & Shades of #B4E042

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

#BEE55D
#C9E977
#D3ED91
#DCF1A7
#E6F5C2
#F1F9DC

Shades

#A4D723
#8DB81E
#729518
#5A7613
#40530E
#283509

Want a full 50-950 ramp with semantic roles? Generate design tokens from #B4E042.

How #B4E042 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#B4E042
Protanopia#D9D943
Protanomaly#CBDC42
Deuteranopia#D3D347
Deuteranomaly#C7D845
Tritanopia#C3D4D4
Tritanomaly#BDD9AD
Achromatopsia#D0D0D0

Test a full palette in the color blindness simulator.

Using #B4E042 in Code

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

CSS custom property--color-b4e042: #B4E042;
CSS backgroundbackground-color: #B4E042;
Tailwind configcolors: { 'color-b4e042': '#B4E042' }
SwiftUIColor(red: 0.706, green: 0.878, blue: 0.259)
Android XML<color name="color_b4e042">#B4E042</color>
SVG fillfill="#B4E042"

More Green Colors

#B4E042 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#B4E042 Frequently Asked Questions

What color is #B4E042?

#B4E042 is a mid-tone green — rgb(180, 224, 66) in RGB and hsl(77, 72%, 57%) in HSL. It carries no registered color name of its own; the closest named color is Yellow Green (#9ACD32), which is clearly related but distinguishable side by side at a CIE76 distance of 7.87.

What is the RGB value of #B4E042?

#B4E042 is rgb(180, 224, 66) — red 180, green 224, and blue 66 on the 0-255 scale.

What is the CMYK value of #B4E042?

#B4E042 converts to approximately cmyk(20%, 0%, 71%, 12%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #B4E042 be black or white?

Black text is the more readable choice. #B4E042 scores 1.53:1 against white and 13.68:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #B4E042 as a CSS color keyword?

No. #B4E042 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 7.87, which is clearly related but distinguishable side by side.

Open #B4E042 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.