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#BFFF66 Color

#BFFF66 is rgb(191, 255, 102) in RGB, hsl(85, 100%, 70%) in HSL, and about cmyk(25%, 0%, 60%, 0%) 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 7.42. Black text is the more readable choice on this background.

#BFFF66
HEX#BFFF66
RGBrgb(191, 255, 102)
HSLhsl(85, 100%, 70%)
HSVhsv(85, 60%, 100%)
CMYKcmyk(25%, 0%, 60%, 0%)
OKLCHoklch(92.7% 0.193 128.8)
LABlab(93.49% -37.76 64.23)
LCHlch(93.49% 74.51 120.45)

What #BFFF66 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 #BFFF66, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Inchworm#B2EC5DΔE 7.42Green Lizard#A7F432ΔE 14.72Yellow Green#9ACD32ΔE 17.41French Lime#9EFD38ΔE 17.98June Bud#BDDA57ΔE 18.39Green Yellow#ADFF2FΔE 18.43

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

#BFFF66 Channel Values

How #BFFF66 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 191 · G 255 · B 1028-bit channels as sent to the display
HSLH 85° · S 100% · L 70%Easiest model for building lighter and darker variants
HSVH 85° · S 60% · V 100%Matches the picker in most design tools
CMYKC 25% · M 0% · Y 60% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance1.19:1 vs white · 17.71:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #BFFF66 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 text1.19:1AA normal AA large AAA normal
TextBlack text17.71:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #BFFF66 in the contrast checker.

Colors That Go With #BFFF66

Pairings derived from color-wheel relationships. The complementary color sits opposite #BFFF66; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#BFFF66
Complementary
#A666FF
Analogous
#FFF266
Analogous
#73FF66
Triadic
#66BFFF
Triadic
#FF66BF
Split comp.
#6673FF
Split comp.
#F266FF

Tints & Shades of #BFFF66

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

#C8FF7A
#D0FF8F
#D9FFA3
#E1FFB8
#EAFFCC
#F2FFE0

Shades

#ACFF38
#97FF05
#7DD600
#5FA300
#447500
#274200

Want a full 50-950 ramp with semantic roles? Generate design tokens from #BFFF66.

How #BFFF66 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#BFFF66
Protanopia#F6F667
Protanomaly#E2F966
Deuteranopia#ECEC6B
Deuteranomaly#DCF469
Tritanopia#D0F2F2
Tritanomaly#C9F8CA
Achromatopsia#ECECEC

Test a full palette in the color blindness simulator.

Using #BFFF66 in Code

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

CSS custom property--color-bfff66: #BFFF66;
CSS backgroundbackground-color: #BFFF66;
Tailwind configcolors: { 'color-bfff66': '#BFFF66' }
SwiftUIColor(red: 0.749, green: 1.000, blue: 0.400)
Android XML<color name="color_bfff66">#BFFF66</color>
SVG fillfill="#BFFF66"

More Green Colors

#BFFF66 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#BFFF66 Frequently Asked Questions

What color is #BFFF66?

#BFFF66 is a light green — rgb(191, 255, 102) in RGB and hsl(85, 100%, 70%) 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 7.42.

What is the RGB value of #BFFF66?

#BFFF66 is rgb(191, 255, 102) — red 191, green 255, and blue 102 on the 0-255 scale.

What is the CMYK value of #BFFF66?

#BFFF66 converts to approximately cmyk(25%, 0%, 60%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #BFFF66 be black or white?

Black text is the more readable choice. #BFFF66 scores 1.19:1 against white and 17.71:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #BFFF66 as a CSS color keyword?

No. #BFFF66 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 17.41, which is visibly different.

Open #BFFF66 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.