#042F0D Color

#042F0D is rgb(4, 47, 13) in RGB, hsl(133, 84%, 10%) in HSL, and about cmyk(91%, 0%, 72%, 82%) in CMYK. It has no registered color name of its own — the closest is British Racing Green (#004225), visibly different at ΔE 10.09. White text is the more readable choice on this background.

#042F0D

HEX#042F0D

RGBrgb(4, 47, 13)

HSLhsl(133, 84%, 10%)

HSVhsv(133, 91%, 18%)

CMYKcmyk(91%, 0%, 72%, 82%)

OKLCHoklch(26.8% 0.075 146.6)

LABlab(15.95% -21.67 16.83)

LCHlch(15.95% 27.44 142.16)

What #042F0D 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 #042F0D, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

British Racing Green#004225ΔE 10.09 Forest Green (Traditional)#014421ΔE 10.27 Sacramento State Green#043927ΔE 11.39 Phthalo Green#123524ΔE 11.55 Medium Jungle Green#1C352DΔE 18.31 Kombu Green#354230ΔE 18.43

Browse the full index of named colors A-Z or every green in the library.

#042F0D Channel Values

How #042F0D 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 4 · G 47 · B 13	8-bit channels as sent to the display
HSL	H 133° · S 84% · L 10%	Easiest model for building lighter and darker variants
HSV	H 133° · S 91% · V 18%	Matches the picker in most design tools
CMYK	C 91% · M 0% · Y 72% · K 82%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	14.81:1 vs white · 1.42:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #042F0D 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 text14.81:1AA normal AA large AAA normal

Fails AABlack text1.42:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #042F0D in the contrast checker.

Colors That Go With #042F0D

Pairings derived from color-wheel relationships. The complementary color sits opposite #042F0D; 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 #042F0D

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 #042F0D.

How #042F0D 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#042F0D

Protanopia#2B2B0D

Protanomaly#202C0D

Deuteranopia#26260F

Deuteranomaly#1D2A0E

Tritanopia#0E2C2C

Tritanomaly#0A2D23

Achromatopsia#282828

Test a full palette in the color blindness simulator.

Using #042F0D in Code

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

CSS custom property--color-042f0d: #042F0D;

CSS backgroundbackground-color: #042F0D;

Tailwind configcolors: { 'color-042f0d': '#042F0D' }

SwiftUIColor(red: 0.016, green: 0.184, blue: 0.051)

Android XML<color name="color_042f0d">#042F0D</color>

SVG fillfill="#042F0D"

More Green Colors

#042F0D sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200 fdfff5 001f00 f7fee7 002400 f7fbf5 002c22 f5fffa 002e00 f5fff5 003300 f0fff0 008000 00db87 0d542b 20483f 33cc66 46c399 5ea500 728639 91e0b7 a3f5d8 bcd7bc d1ffed

#042F0D Frequently Asked Questions

What color is #042F0D?

#042F0D is a darkest green — rgb(4, 47, 13) in RGB and hsl(133, 84%, 10%) in HSL. It carries no registered color name of its own; the closest named color is British Racing Green (#004225), which is visibly different at a CIE76 distance of 10.09.

What is the RGB value of #042F0D?

#042F0D is rgb(4, 47, 13) — red 4, green 47, and blue 13 on the 0-255 scale.

What is the CMYK value of #042F0D?

#042F0D converts to approximately cmyk(91%, 0%, 72%, 82%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #042F0D be black or white?

White text is the more readable choice. #042F0D scores 14.81:1 against white and 1.42:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #042F0D as a CSS color keyword?

No. #042F0D 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 27.4, which is a different colour altogether.

Open #042F0D in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every green in the color library, the guide to shades of green, or the full color library.