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#1FA321 Color

#1FA321 is rgb(31, 163, 33) in RGB, hsl(121, 68%, 38%) in HSL, and about cmyk(81%, 0%, 80%, 36%) in CMYK. It has no registered color name of its own — the closest is Vine Green (#38A32A), clearly related but distinguishable side by side at ΔE 5.26. Black text is the more readable choice on this background.

#1FA321
HEX#1FA321
RGBrgb(31, 163, 33)
HSLhsl(121, 68%, 38%)
HSVhsv(121, 81%, 64%)
CMYKcmyk(81%, 0%, 80%, 36%)
OKLCHoklch(62.4% 0.197 142.9)
LABlab(58.65% -53.34 51.97)
LCHlch(58.65% 74.47 135.75)

What #1FA321 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 #1FA321, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Vine Green#38A32AΔE 5.26Slimy Green#299617ΔE 6.54Green (Pantone)#00AD43ΔE 10.64India Green#138808ΔE 11.08Dark Pastel Green#03C03CΔE 12.57Forest Green#228B22ΔE 13.62

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

#1FA321 Channel Values

How #1FA321 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 31 · G 163 · B 338-bit channels as sent to the display
HSLH 121° · S 68% · L 38%Easiest model for building lighter and darker variants
HSVH 121° · S 81% · V 64%Matches the picker in most design tools
CMYKC 81% · M 0% · Y 80% · K 36%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.32:1 vs white · 6.32:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #1FA321 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 text3.32:1AA normal AA large AAA normal
TextBlack text6.32:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #1FA321 in the contrast checker.

Colors That Go With #1FA321

Pairings derived from color-wheel relationships. The complementary color sits opposite #1FA321; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#1FA321
Complementary
#A31FA1
Analogous
#5FA31F
Analogous
#1FA363
Triadic
#211FA3
Triadic
#A3211F
Split comp.
#631FA3
Split comp.
#A31F5F

Tints & Shades of #1FA321

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

#26C929
#3EDA41
#65E267
#87E889
#AEEFAF
#D0F6D1

Shades

#1B8D1D
#177818
#136314
#105111
#0B3C0C
#072708

Want a full 50-950 ramp with semantic roles? Generate design tokens from #1FA321.

How #1FA321 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#1FA321
Protanopia#969623
Protanomaly#789C22
Deuteranopia#89892C
Deuteranomaly#6E9428
Tritanopia#449A9A
Tritanomaly#399E7B
Achromatopsia#8D8D8D

Test a full palette in the color blindness simulator.

Using #1FA321 in Code

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

CSS custom property--color-1fa321: #1FA321;
CSS backgroundbackground-color: #1FA321;
Tailwind configcolors: { 'color-1fa321': '#1FA321' }
SwiftUIColor(red: 0.122, green: 0.639, blue: 0.129)
Android XML<color name="color_1fa321">#1FA321</color>
SVG fillfill="#1FA321"

More Green Colors

#1FA321 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#1FA321 Frequently Asked Questions

What color is #1FA321?

#1FA321 is a dark green — rgb(31, 163, 33) in RGB and hsl(121, 68%, 38%) in HSL. It carries no registered color name of its own; the closest named color is Vine Green (#38A32A), which is clearly related but distinguishable side by side at a CIE76 distance of 5.26.

What is the RGB value of #1FA321?

#1FA321 is rgb(31, 163, 33) — red 31, green 163, and blue 33 on the 0-255 scale.

What is the CMYK value of #1FA321?

#1FA321 converts to approximately cmyk(81%, 0%, 80%, 36%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #1FA321 be black or white?

Black text is the more readable choice. #1FA321 scores 3.32:1 against white and 6.32:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #1FA321 as a CSS color keyword?

No. #1FA321 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 forestgreen (#228B22) at a CIE76 distance of 13.62, which is visibly different.

Open #1FA321 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.