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#5BCB0B Color

#5BCB0B is rgb(91, 203, 11) in RGB, hsl(95, 90%, 42%) in HSL, and about cmyk(55%, 0%, 95%, 20%) in CMYK. It has no registered color name of its own — the closest is Kelly Green (#4CBB17), clearly related but distinguishable side by side at ΔE 8.63. Black text is the more readable choice on this background.

#5BCB0B
HEX#5BCB0B
RGBrgb(91, 203, 11)
HSLhsl(95, 90%, 42%)
HSVhsv(95, 95%, 80%)
CMYKcmyk(55%, 0%, 95%, 20%)
OKLCHoklch(74.6% 0.225 137.4)
LABlab(73.00% -54.05 69.13)
LCHlch(73.00% 87.75 128.02)

What #5BCB0B 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 #5BCB0B, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Kelly Green#4CBB17ΔE 8.63SGBUS Green#55DD33ΔE 8.92Lime Green#32CD32ΔE 11.97Sheen Green#8FD400ΔE 15.28Vivid Malachite#00CC33ΔE 15.45Microsoft Green#7DB700ΔE 18.76

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

#5BCB0B Channel Values

How #5BCB0B 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 91 · G 203 · B 118-bit channels as sent to the display
HSLH 95° · S 90% · L 42%Easiest model for building lighter and darker variants
HSVH 95° · S 95% · V 80%Matches the picker in most design tools
CMYKC 55% · M 0% · Y 95% · K 20%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.1:1 vs white · 9.99:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #5BCB0B 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 text2.1:1AA normal AA large AAA normal
TextBlack text9.99:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #5BCB0B in the contrast checker.

Colors That Go With #5BCB0B

Pairings derived from color-wheel relationships. The complementary color sits opposite #5BCB0B; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#5BCB0B
Complementary
#7B0BCB
Analogous
#BBCB0B
Analogous
#0BCB1B
Triadic
#0B5BCB
Triadic
#CB0B5B
Split comp.
#1B0BCB
Split comp.
#CB0BBB

Tints & Shades of #5BCB0B

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

#6CF20D
#84F434
#9BF65A
#B3F881
#CAFAA8
#E2FCCF

Shades

#50B309
#439608
#387E07
#2B6105
#214904
#142C02

Want a full 50-950 ramp with semantic roles? Generate design tokens from #5BCB0B.

How #5BCB0B 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#5BCB0B
Protanopia#BEBE11
Protanomaly#A0C30F
Deuteranopia#B0B023
Deuteranomaly#95BB1C
Tritanopia#76BFBF
Tritanomaly#6CC498
Achromatopsia#B3B3B3

Test a full palette in the color blindness simulator.

Using #5BCB0B in Code

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

CSS custom property--color-5bcb0b: #5BCB0B;
CSS backgroundbackground-color: #5BCB0B;
Tailwind configcolors: { 'color-5bcb0b': '#5BCB0B' }
SwiftUIColor(red: 0.357, green: 0.796, blue: 0.043)
Android XML<color name="color_5bcb0b">#5BCB0B</color>
SVG fillfill="#5BCB0B"

More Green Colors

#5BCB0B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#5BCB0B Frequently Asked Questions

What color is #5BCB0B?

#5BCB0B is a mid-tone green — rgb(91, 203, 11) in RGB and hsl(95, 90%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Kelly Green (#4CBB17), which is clearly related but distinguishable side by side at a CIE76 distance of 8.63.

What is the RGB value of #5BCB0B?

#5BCB0B is rgb(91, 203, 11) — red 91, green 203, and blue 11 on the 0-255 scale.

What is the CMYK value of #5BCB0B?

#5BCB0B converts to approximately cmyk(55%, 0%, 95%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #5BCB0B be black or white?

Black text is the more readable choice. #5BCB0B scores 2.1:1 against white and 9.99:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #5BCB0B as a CSS color keyword?

No. #5BCB0B 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 limegreen (#32CD32) at a CIE76 distance of 11.97, which is visibly different.

Open #5BCB0B 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.