#133923 Color
#133923 is rgb(19, 57, 35) in RGB, hsl(145, 50%, 15%) in HSL, and about cmyk(67%, 0%, 39%, 78%) in CMYK. It has no registered color name of its own — the closest is Phthalo Green (#123524), very hard to tell apart at ΔE 3.64. White text is the more readable choice on this background.
#133923rgb(19, 57, 35)hsl(145, 50%, 15%)hsv(145, 67%, 22%)cmyk(67%, 0%, 39%, 78%)oklch(31% 0.059 155.2)lab(20.75% -18.77 9.56)lch(20.75% 21.07 153.02)What #133923 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 #133923, 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.
#133923 Channel Values
How #133923 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 19 · G 57 · B 35 | 8-bit channels as sent to the display |
| HSL | H 145° · S 50% · L 15% | Easiest model for building lighter and darker variants |
| HSV | H 145° · S 67% · V 22% | Matches the picker in most design tools |
| CMYK | C 67% · M 0% · Y 39% · K 78% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 12.83:1 vs white · 1.64:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #133923 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 #133923 in the contrast checker.
Colors That Go With #133923
Pairings derived from color-wheel relationships. The complementary color sits opposite #133923; 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 #133923
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 #133923.
How #133923 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.
#133923#353523#2A3623#303024#273424#193737#173830#323232Using #133923 in Code
Copy-ready declarations for the places this color usually ends up.
--color-133923: #133923;background-color: #133923;colors: { 'color-133923': '#133923' }Color(red: 0.075, green: 0.224, blue: 0.137)<color name="color_133923">#133923</color>fill="#133923"More Green Colors
#133923 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#133923 Frequently Asked Questions
What color is #133923?
#133923 is a darkest green — rgb(19, 57, 35) in RGB and hsl(145, 50%, 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 3.64.
What is the RGB value of #133923?
#133923 is rgb(19, 57, 35) — red 19, green 57, and blue 35 on the 0-255 scale.
What is the CMYK value of #133923?
#133923 converts to approximately cmyk(67%, 0%, 39%, 78%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #133923 be black or white?
White text is the more readable choice. #133923 scores 12.83:1 against white and 1.64:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #133923 as a CSS color keyword?
No. #133923 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 18.23, which is visibly different.
Open #133923 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.