#99FF99 Color

#99FF99 is rgb(153, 255, 153) in RGB, hsl(120, 100%, 80%) in HSL, and about cmyk(40%, 0%, 40%, 0%) in CMYK. It has no registered color name of its own — the closest is Mint (#98FF98), indistinguishable to the eye at ΔE 0.57. Black text is the more readable choice on this background.

#99FF99

HEX#99FF99

RGBrgb(153, 255, 153)

HSLhsl(120, 100%, 80%)

HSVhsv(120, 40%, 100%)

CMYKcmyk(40%, 0%, 40%, 0%)

OKLCHoklch(91.3% 0.167 144.1)

LABlab(92.00% -45.99 39.00)

LCHlch(92.00% 60.30 139.70)

What #99FF99 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 #99FF99, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Mint#98FF98ΔE 0.57 Pale Green#98FB98ΔE 1.97 Light Green#90EE90ΔE 6.7 Pastel Green#77DD77ΔE 11.86 Very Light Malachite Green#64E986ΔE 12.04 Menthol#C1F9A2ΔE 16.57

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

#99FF99 Channel Values

How #99FF99 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 153 · G 255 · B 153	8-bit channels as sent to the display
HSL	H 120° · S 100% · L 80%	Easiest model for building lighter and darker variants
HSV	H 120° · S 40% · V 100%	Matches the picker in most design tools
CMYK	C 40% · M 0% · Y 40% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	1.23:1 vs white · 17.12:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #99FF99 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 text1.23:1AA normal AA large AAA normal

TextBlack text17.12:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #99FF99 in the contrast checker.

Colors That Go With #99FF99

Pairings derived from color-wheel relationships. The complementary color sits opposite #99FF99; 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 #99FF99

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 #99FF99.

How #99FF99 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#99FF99

Protanopia#F2F29A

Protanomaly#D4F799

Deuteranopia#E4E49D

Deuteranomaly#CAEF9B

Tritanopia#ABF5F5

Tritanomaly#A4F9D6

Achromatopsia#E8E8E8

Test a full palette in the color blindness simulator.

Using #99FF99 in Code

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

CSS custom property--color-99ff99: #99FF99;

CSS backgroundbackground-color: #99FF99;

Tailwind configcolors: { 'color-99ff99': '#99FF99' }

SwiftUIColor(red: 0.600, green: 1.000, blue: 0.600)

Android XML<color name="color_99ff99">#99FF99</color>

SVG fillfill="#99FF99"

More Green Colors

#99FF99 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

99ffcc 99ff66 9ab973 99ff33 9acd32 99ff00 9ae600 99e6b3 9bff05 99cc99 9caf88 99cc66 adff2f caf7ca deefbd 004700 009b7d 00ff99 171c0c 28774a 35530e 4cbb17 669933 7db700

#99FF99 Frequently Asked Questions

What color is #99FF99?

#99FF99 is a lightest green — rgb(153, 255, 153) in RGB and hsl(120, 100%, 80%) in HSL. It carries no registered color name of its own; the closest named color is Mint (#98FF98), which is indistinguishable to the eye at a CIE76 distance of 0.57.

What is the RGB value of #99FF99?

#99FF99 is rgb(153, 255, 153) — red 153, green 255, and blue 153 on the 0-255 scale.

What is the CMYK value of #99FF99?

#99FF99 converts to approximately cmyk(40%, 0%, 40%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #99FF99 be black or white?

Black text is the more readable choice. #99FF99 scores 1.23:1 against white and 17.12:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #99FF99 as a CSS color keyword?

No. #99FF99 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 palegreen (#98FB98) at a CIE76 distance of 1.97, which is below the threshold most people can see.

Open #99FF99 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.