#A1DA1B Color

#A1DA1B is rgb(161, 218, 27) in RGB, hsl(78, 78%, 48%) in HSL, and about cmyk(26%, 0%, 88%, 15%) in CMYK. It has no registered color name of its own — the closest is Vivid Lime Green (#A6D608), very hard to tell apart at ΔE 3.91. Black text is the more readable choice on this background.

#A1DA1B

HEX#A1DA1B

RGBrgb(161, 218, 27)

HSLhsl(78, 78%, 48%)

HSVhsv(78, 88%, 85%)

CMYKcmyk(26%, 0%, 88%, 15%)

OKLCHoklch(81.9% 0.204 126.6)

LABlab(80.88% -36.49 74.83)

LCHlch(80.88% 83.25 115.99)

What #A1DA1B 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 #A1DA1B, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Vivid Lime Green#A6D608ΔE 3.91 Sheen Green#8FD400ΔE 5.34 Yellow Green#9ACD32ΔE 10.64 Green Lizard#A7F432ΔE 11.14 Limerick#9DC209ΔE 11.53 Microsoft Green#7DB700ΔE 14.45

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

#A1DA1B Channel Values

How #A1DA1B breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 161 · G 218 · B 27	8-bit channels as sent to the display
HSL	H 78° · S 78% · L 48%	Easiest model for building lighter and darker variants
HSV	H 78° · S 88% · V 85%	Matches the picker in most design tools
CMYK	C 26% · M 0% · Y 88% · K 15%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.67:1 vs white · 12.56:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #A1DA1B 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 text1.67:1AA normal AA large AAA normal

TextBlack text12.56:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #A1DA1B in the contrast checker.

Colors That Go With #A1DA1B

Pairings derived from color-wheel relationships. The complementary color sits opposite #A1DA1B; 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 #A1DA1B

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 #A1DA1B.

How #A1DA1B 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#A1DA1B

Protanopia#D2D21D

Protanomaly#C0D51C

Deuteranopia#C9C927

Deuteranomaly#BBD023

Tritanopia#B2CECE

Tritanomaly#ABD3A4

Achromatopsia#C8C8C8

Test a full palette in the color blindness simulator.

Using #A1DA1B in Code

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

CSS custom property--color-a1da1b: #A1DA1B;

CSS backgroundbackground-color: #A1DA1B;

Tailwind configcolors: { 'color-a1da1b': '#A1DA1B' }

SwiftUIColor(red: 0.631, green: 0.855, blue: 0.106)

Android XML<color name="color_a1da1b">#A1DA1B</color>

SVG fillfill="#A1DA1B"

More Green Colors

#A1DA1B sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200 fdfff5 001f00 f7fee7 002400 f7fbf5 002c22 f5fffa 002e00 f5fff5 003300 f0fff0 008000 00db87 0d542b 20483f 33cc66 46c399 5ea500 728639 91e0b7 a3f5d8 bcd7bc d1ffed

#A1DA1B Frequently Asked Questions

What color is #A1DA1B?

#A1DA1B is a mid-tone green — rgb(161, 218, 27) in RGB and hsl(78, 78%, 48%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Lime Green (#A6D608), which is very hard to tell apart at a CIE76 distance of 3.91.

What is the RGB value of #A1DA1B?

#A1DA1B is rgb(161, 218, 27) — red 161, green 218, and blue 27 on the 0-255 scale.

What is the CMYK value of #A1DA1B?

#A1DA1B converts to approximately cmyk(26%, 0%, 88%, 15%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #A1DA1B be black or white?

Black text is the more readable choice. #A1DA1B scores 1.67:1 against white and 12.56:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #A1DA1B as a CSS color keyword?

No. #A1DA1B 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 10.64, which is visibly different.

Open #A1DA1B in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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