#405E56 Color
#405E56 is rgb(64, 94, 86) in RGB, hsl(164, 19%, 31%) in HSL, and about cmyk(32%, 0%, 9%, 63%) in CMYK. It has no registered color name of its own — the closest is Feldgrau (#4D5D53), clearly related but distinguishable side by side at ΔE 5.66. White text is the more readable choice on this background.
#405E56rgb(64, 94, 86)hsl(164, 19%, 31%)hsv(164, 32%, 37%)cmyk(32%, 0%, 9%, 63%)oklch(45.6% 0.038 176.1)lab(37.35% -13.01 0.86)lch(37.35% 13.03 176.20)What #405E56 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 #405E56, 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.
#405E56 Channel Values
How #405E56 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 64 · G 94 · B 86 | 8-bit channels as sent to the display |
| HSL | H 164° · S 19% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 164° · S 32% · V 37% | Matches the picker in most design tools |
| CMYK | C 32% · M 0% · Y 9% · K 63% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.11:1 vs white · 2.95:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #405E56 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 #405E56 in the contrast checker.
Colors That Go With #405E56
Pairings derived from color-wheel relationships. The complementary color sits opposite #405E56; 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 #405E56
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 #405E56.
How #405E56 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.
#405E56#5A5A56#515B56#555557#4E5956#425D5D#415D5A#585858Using #405E56 in Code
Copy-ready declarations for the places this color usually ends up.
--color-405e56: #405E56;background-color: #405E56;colors: { 'color-405e56': '#405E56' }Color(red: 0.251, green: 0.369, blue: 0.337)<color name="color_405e56">#405E56</color>fill="#405E56"More Green Colors
#405E56 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#405E56 Frequently Asked Questions
What color is #405E56?
#405E56 is a dark green — rgb(64, 94, 86) in RGB and hsl(164, 19%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Feldgrau (#4D5D53), which is clearly related but distinguishable side by side at a CIE76 distance of 5.66.
What is the RGB value of #405E56?
#405E56 is rgb(64, 94, 86) — red 64, green 94, and blue 86 on the 0-255 scale.
What is the CMYK value of #405E56?
#405E56 converts to approximately cmyk(32%, 0%, 9%, 63%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #405E56 be black or white?
White text is the more readable choice. #405E56 scores 7.11:1 against white and 2.95:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #405E56 as a CSS color keyword?
No. #405E56 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 7.89, which is clearly related but distinguishable side by side.
Open #405E56 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.