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#21931F Color

#21931F is rgb(33, 147, 31) in RGB, hsl(119, 65%, 35%) in HSL, and about cmyk(78%, 0%, 79%, 42%) in CMYK. It has no registered color name of its own — the closest is Slimy Green (#299617), very hard to tell apart at ΔE 3.61. Black text is the more readable choice on this background.

#21931F
HEX#21931F
RGBrgb(33, 147, 31)
HSLhsl(119, 65%, 35%)
HSVhsv(119, 79%, 58%)
CMYKcmyk(78%, 0%, 79%, 42%)
OKLCHoklch(58% 0.18 142.6)
LABlab(53.32% -48.48 47.62)
LCHlch(53.32% 67.96 135.51)

What #21931F 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 #21931F, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#21931F Channel Values

How #21931F 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 33 · G 147 · B 318-bit channels as sent to the display
HSLH 119° · S 65% · L 35%Easiest model for building lighter and darker variants
HSVH 119° · S 79% · V 58%Matches the picker in most design tools
CMYKC 78% · M 0% · Y 79% · K 42%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.99:1 vs white · 5.26:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #21931F 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 text3.99:1AA normal AA large AAA normal
TextBlack text5.26:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #21931F in the contrast checker.

Colors That Go With #21931F

Pairings derived from color-wheel relationships. The complementary color sits opposite #21931F; 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 #21931F

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 #21931F.

How #21931F 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#21931F
Protanopia#888821
Protanomaly#6D8C20
Deuteranopia#7C7C28
Deuteranomaly#648625
Tritanopia#408B8B
Tritanomaly#368E6F
Achromatopsia#7F7F7F

Test a full palette in the color blindness simulator.

Using #21931F in Code

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

CSS custom property--color-21931f: #21931F;
CSS backgroundbackground-color: #21931F;
Tailwind configcolors: { 'color-21931f': '#21931F' }
SwiftUIColor(red: 0.129, green: 0.576, blue: 0.122)
Android XML<color name="color_21931f">#21931F</color>
SVG fillfill="#21931F"

More Green Colors

#21931F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

#21931F Frequently Asked Questions

What color is #21931F?

#21931F is a dark green — rgb(33, 147, 31) in RGB and hsl(119, 65%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Slimy Green (#299617), which is very hard to tell apart at a CIE76 distance of 3.61.

What is the RGB value of #21931F?

#21931F is rgb(33, 147, 31) — red 33, green 147, and blue 31 on the 0-255 scale.

What is the CMYK value of #21931F?

#21931F converts to approximately cmyk(78%, 0%, 79%, 42%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #21931F be black or white?

Black text is the more readable choice. #21931F scores 3.99:1 against white and 5.26:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #21931F as a CSS color keyword?

No. #21931F 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 5.26, which is clearly related but distinguishable side by side.

Open #21931F in a Tool

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