#172811 Color
#172811 is rgb(23, 40, 17) in RGB, hsl(104, 40%, 11%) in HSL, and about cmyk(42%, 0%, 58%, 84%) in CMYK. It has no registered color name of its own — the closest is Phthalo Green (#123524), clearly related but distinguishable side by side at ΔE 9.43. White text is the more readable choice on this background.
#172811rgb(23, 40, 17)hsl(104, 40%, 11%)hsv(104, 57%, 16%)cmyk(42%, 0%, 58%, 84%)oklch(25.5% 0.047 138)lab(14.09% -11.60 12.63)lch(14.09% 17.15 132.56)What #172811 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 #172811, 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.
#172811 Channel Values
How #172811 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 23 · G 40 · B 17 | 8-bit channels as sent to the display |
| HSL | H 104° · S 40% · L 11% | Easiest model for building lighter and darker variants |
| HSV | H 104° · S 57% · V 16% | Matches the picker in most design tools |
| CMYK | C 42% · M 0% · Y 58% · K 84% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 15.58:1 vs white · 1.35:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #172811 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.
Need a specific ratio against another background? Open #172811 in the contrast checker.
Colors That Go With #172811
Pairings derived from color-wheel relationships. The complementary color sits opposite #172811; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #172811
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #172811.
How #172811 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.
#172811#262611#212711#232312#1F2511#1A2626#19271F#242424Using #172811 in Code
Copy-ready declarations for the places this color usually ends up.
--color-172811: #172811;background-color: #172811;colors: { 'color-172811': '#172811' }Color(red: 0.090, green: 0.157, blue: 0.067)<color name="color_172811">#172811</color>fill="#172811"More Green Colors
#172811 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#172811 Frequently Asked Questions
What color is #172811?
#172811 is a darkest green — rgb(23, 40, 17) in RGB and hsl(104, 40%, 11%) in HSL. It carries no registered color name of its own; the closest named color is Phthalo Green (#123524), which is clearly related but distinguishable side by side at a CIE76 distance of 9.43.
What is the RGB value of #172811?
#172811 is rgb(23, 40, 17) — red 23, green 40, and blue 17 on the 0-255 scale.
What is the CMYK value of #172811?
#172811 converts to approximately cmyk(42%, 0%, 58%, 84%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #172811 be black or white?
White text is the more readable choice. #172811 scores 15.58:1 against white and 1.35:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #172811 as a CSS color keyword?
No. #172811 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 black (#000000) at a CIE76 distance of 22.19, which is visibly different.
Open #172811 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.