#173628 Color
#173628 is rgb(23, 54, 40) in RGB, hsl(153, 40%, 15%) in HSL, and about cmyk(57%, 0%, 26%, 79%) in CMYK. It has no registered color name of its own — the closest is Phthalo Green (#123524), very hard to tell apart at ΔE 2.56. White text is the more readable choice on this background.
#173628rgb(23, 54, 40)hsl(153, 40%, 15%)hsv(153, 57%, 21%)cmyk(57%, 0%, 26%, 79%)oklch(30.4% 0.045 162.5)lab(19.90% -15.15 5.14)lch(19.90% 16.00 161.26)What #173628 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 #173628, 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.
#173628 Channel Values
How #173628 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 54 · B 40 | 8-bit channels as sent to the display |
| HSL | H 153° · S 40% · L 15% | Easiest model for building lighter and darker variants |
| HSV | H 153° · S 57% · V 21% | Matches the picker in most design tools |
| CMYK | C 57% · M 0% · Y 26% · K 79% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 13.17:1 vs white · 1.59:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #173628 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 #173628 in the contrast checker.
Colors That Go With #173628
Pairings derived from color-wheel relationships. The complementary color sits opposite #173628; 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 #173628
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 #173628.
How #173628 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.
#173628#323228#2A3428#2E2E29#273128#1A3434#193530#303030Using #173628 in Code
Copy-ready declarations for the places this color usually ends up.
--color-173628: #173628;background-color: #173628;colors: { 'color-173628': '#173628' }Color(red: 0.090, green: 0.212, blue: 0.157)<color name="color_173628">#173628</color>fill="#173628"More Green Colors
#173628 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#173628 Frequently Asked Questions
What color is #173628?
#173628 is a darkest green — rgb(23, 54, 40) in RGB and hsl(153, 40%, 15%) in HSL. It carries no registered color name of its own; the closest named color is Phthalo Green (#123524), which is very hard to tell apart at a CIE76 distance of 2.56.
What is the RGB value of #173628?
#173628 is rgb(23, 54, 40) — red 23, green 54, and blue 40 on the 0-255 scale.
What is the CMYK value of #173628?
#173628 converts to approximately cmyk(57%, 0%, 26%, 79%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #173628 be black or white?
White text is the more readable choice. #173628 scores 13.17:1 against white and 1.59:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #173628 as a CSS color keyword?
No. #173628 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 darkslategray (#2F4F4F) at a CIE76 distance of 14.74, which is visibly different.
Open #173628 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.