#178717 Color
#178717 is rgb(23, 135, 23) in RGB, hsl(120, 71%, 31%) in HSL, and about cmyk(83%, 0%, 83%, 47%) in CMYK. It has no registered color name of its own — the closest is Forest Green (#228B22), very hard to tell apart at ΔE 2.76. White text is the more readable choice on this background.
#178717rgb(23, 135, 23)hsl(120, 71%, 31%)hsv(120, 83%, 53%)cmyk(83%, 0%, 83%, 47%)oklch(54.4% 0.173 142.7)lab(49.02% -46.71 46.03)lch(49.02% 65.58 135.42)What #178717 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 #178717, 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.
#178717 Channel Values
How #178717 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 135 · B 23 | 8-bit channels as sent to the display |
| HSL | H 120° · S 71% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 120° · S 83% · V 53% | Matches the picker in most design tools |
| CMYK | C 83% · M 0% · Y 83% · K 47% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.65:1 vs white · 4.51:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #178717 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 #178717 in the contrast checker.
Colors That Go With #178717
Pairings derived from color-wheel relationships. The complementary color sits opposite #178717; 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 #178717
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 #178717.
How #178717 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.
#178717#7C7C19#638118#717121#5A7A1D#377F7F#2D8265#747474Using #178717 in Code
Copy-ready declarations for the places this color usually ends up.
--color-178717: #178717;background-color: #178717;colors: { 'color-178717': '#178717' }Color(red: 0.090, green: 0.529, blue: 0.090)<color name="color_178717">#178717</color>fill="#178717"More Green Colors
#178717 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#178717 Frequently Asked Questions
What color is #178717?
#178717 is a dark green — rgb(23, 135, 23) in RGB and hsl(120, 71%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Forest Green (#228B22), which is very hard to tell apart at a CIE76 distance of 2.76.
What is the RGB value of #178717?
#178717 is rgb(23, 135, 23) — red 23, green 135, and blue 23 on the 0-255 scale.
What is the CMYK value of #178717?
#178717 converts to approximately cmyk(83%, 0%, 83%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #178717 be black or white?
White text is the more readable choice. #178717 scores 4.65:1 against white and 4.51:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #178717 as a CSS color keyword?
No. #178717 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 2.76, which is very hard to tell apart.
Open #178717 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.