#256558 Color
#256558 is rgb(37, 101, 88) in RGB, hsl(168, 46%, 27%) in HSL, and about cmyk(63%, 0%, 13%, 60%) in CMYK. It has no registered color name of its own — the closest is Peacock (#005F5F), clearly related but distinguishable side by side at ΔE 8.7. White text is the more readable choice on this background.
#256558rgb(37, 101, 88)hsl(168, 46%, 27%)hsv(168, 63%, 40%)cmyk(63%, 0%, 13%, 60%)oklch(46.2% 0.069 177.4)lab(38.43% -23.93 0.99)lch(38.43% 23.95 177.63)What #256558 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 #256558, 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.
#256558 Channel Values
How #256558 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 37 · G 101 · B 88 | 8-bit channels as sent to the display |
| HSL | H 168° · S 46% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 168° · S 63% · V 40% | Matches the picker in most design tools |
| CMYK | C 63% · M 0% · Y 13% · K 60% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 6.82:1 vs white · 3.08:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #256558 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 #256558 in the contrast checker.
Colors That Go With #256558
Pairings derived from color-wheel relationships. The complementary color sits opposite #256558; 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 #256558
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 #256558.
How #256558 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.
#256558#5E5E58#4D6158#565659#475C59#296363#28645F#5B5B5BUsing #256558 in Code
Copy-ready declarations for the places this color usually ends up.
--color-256558: #256558;background-color: #256558;colors: { 'color-256558': '#256558' }Color(red: 0.145, green: 0.396, blue: 0.345)<color name="color_256558">#256558</color>fill="#256558"More Green Colors
#256558 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#256558 Frequently Asked Questions
What color is #256558?
#256558 is a dark green — rgb(37, 101, 88) in RGB and hsl(168, 46%, 27%) in HSL. It carries no registered color name of its own; the closest named color is Peacock (#005F5F), which is clearly related but distinguishable side by side at a CIE76 distance of 8.7.
What is the RGB value of #256558?
#256558 is rgb(37, 101, 88) — red 37, green 101, and blue 88 on the 0-255 scale.
What is the CMYK value of #256558?
#256558 converts to approximately cmyk(63%, 0%, 13%, 60%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #256558 be black or white?
White text is the more readable choice. #256558 scores 6.82:1 against white and 3.08:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #256558 as a CSS color keyword?
No. #256558 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 14.62, which is visibly different.
Open #256558 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.