#129723 Color
#129723 is rgb(18, 151, 35) in RGB, hsl(128, 79%, 33%) in HSL, and about cmyk(88%, 0%, 77%, 41%) in CMYK. It has no registered color name of its own — the closest is Slimy Green (#299617), very hard to tell apart at ΔE 4.69. Black text is the more readable choice on this background.
#129723rgb(18, 151, 35)hsl(128, 79%, 33%)hsv(128, 88%, 59%)cmyk(88%, 0%, 77%, 41%)oklch(58.9% 0.185 143.9)lab(54.47% -51.23 47.31)lch(54.47% 69.73 137.28)What #129723 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 #129723, 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.
#129723 Channel Values
How #129723 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 18 · G 151 · B 35 | 8-bit channels as sent to the display |
| HSL | H 128° · S 79% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 128° · S 88% · V 59% | Matches the picker in most design tools |
| CMYK | C 88% · M 0% · Y 77% · K 41% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.83:1 vs white · 5.48:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #129723 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 #129723 in the contrast checker.
Colors That Go With #129723
Pairings derived from color-wheel relationships. The complementary color sits opposite #129723; 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 #129723
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 #129723.
How #129723 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.
#129723#8B8B25#6E9024#7E7E2C#648929#3B8E8E#2F9273#828282Using #129723 in Code
Copy-ready declarations for the places this color usually ends up.
--color-129723: #129723;background-color: #129723;colors: { 'color-129723': '#129723' }Color(red: 0.071, green: 0.592, blue: 0.137)<color name="color_129723">#129723</color>fill="#129723"More Green Colors
#129723 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#129723 Frequently Asked Questions
What color is #129723?
#129723 is a dark green — rgb(18, 151, 35) in RGB and hsl(128, 79%, 33%) 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 4.69.
What is the RGB value of #129723?
#129723 is rgb(18, 151, 35) — red 18, green 151, and blue 35 on the 0-255 scale.
What is the CMYK value of #129723?
#129723 converts to approximately cmyk(88%, 0%, 77%, 41%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #129723 be black or white?
Black text is the more readable choice. #129723 scores 3.83:1 against white and 5.48:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #129723 as a CSS color keyword?
No. #129723 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 7.47, which is clearly related but distinguishable side by side.
Open #129723 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.