Skip to content

#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.

#256558
HEX#256558
RGBrgb(37, 101, 88)
HSLhsl(168, 46%, 27%)
HSVhsv(168, 63%, 40%)
CMYKcmyk(63%, 0%, 13%, 60%)
OKLCHoklch(46.2% 0.069 177.4)
LABlab(38.43% -23.93 0.99)
LCHlch(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.

ModelChannelsNotes
RGBR 37 · G 101 · B 888-bit channels as sent to the display
HSLH 168° · S 46% · L 27%Easiest model for building lighter and darker variants
HSVH 168° · S 63% · V 40%Matches the picker in most design tools
CMYKC 63% · M 0% · Y 13% · K 60%Approximate ink mix; confirm with an ICC profile before printing
Luminance6.82:1 vs white · 3.08:1 vs blackWCAG 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.

TextWhite text6.82:1AA normal AA large AAA normal
Fails AABlack text3.08:1AA normal AA large AAA normal

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.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

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.

Tints

Shades

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.

Typical#256558
Protanopia#5E5E58
Protanomaly#4D6158
Deuteranopia#565659
Deuteranomaly#475C59
Tritanopia#296363
Tritanomaly#28645F
Achromatopsia#5B5B5B

Test a full palette in the color blindness simulator.

Using #256558 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-256558: #256558;
CSS backgroundbackground-color: #256558;
Tailwind configcolors: { 'color-256558': '#256558' }
SwiftUIColor(red: 0.145, green: 0.396, blue: 0.345)
Android XML<color name="color_256558">#256558</color>
SVG fillfill="#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.