#42891F Color
#42891F is rgb(66, 137, 31) in RGB, hsl(100, 63%, 33%) in HSL, and about cmyk(52%, 0%, 77%, 46%) in CMYK. It has no registered color name of its own — the closest is Napier Green (#2A8000), clearly related but distinguishable side by side at ΔE 6.95. Black text is the more readable choice on this background.
#42891Frgb(66, 137, 31)hsl(100, 63%, 33%)hsv(100, 77%, 54%)cmyk(52%, 0%, 77%, 46%)oklch(56.3% 0.155 137.6)lab(50.95% -37.54 45.80)lch(50.95% 59.22 129.34)What #42891F 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 #42891F, 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.
#42891F Channel Values
How #42891F 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 66 · G 137 · B 31 | 8-bit channels as sent to the display |
| HSL | H 100° · S 63% · L 33% | Easiest model for building lighter and darker variants |
| HSV | H 100° · S 77% · V 54% | Matches the picker in most design tools |
| CMYK | C 52% · M 0% · Y 77% · K 46% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.35:1 vs white · 4.83:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #42891F 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 #42891F in the contrast checker.
Colors That Go With #42891F
Pairings derived from color-wheel relationships. The complementary color sits opposite #42891F; 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 #42891F
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 #42891F.
How #42891F 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.
#42891F#808020#6D8420#777726#667F23#528181#4C8468#797979Using #42891F in Code
Copy-ready declarations for the places this color usually ends up.
--color-42891f: #42891F;background-color: #42891F;colors: { 'color-42891f': '#42891F' }Color(red: 0.259, green: 0.537, blue: 0.122)<color name="color_42891f">#42891F</color>fill="#42891F"More Green Colors
#42891F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#42891F Frequently Asked Questions
What color is #42891F?
#42891F is a dark green — rgb(66, 137, 31) in RGB and hsl(100, 63%, 33%) in HSL. It carries no registered color name of its own; the closest named color is Napier Green (#2A8000), which is clearly related but distinguishable side by side at a CIE76 distance of 6.95.
What is the RGB value of #42891F?
#42891F is rgb(66, 137, 31) — red 66, green 137, and blue 31 on the 0-255 scale.
What is the CMYK value of #42891F?
#42891F converts to approximately cmyk(52%, 0%, 77%, 46%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #42891F be black or white?
Black text is the more readable choice. #42891F scores 4.35:1 against white and 4.83:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #42891F as a CSS color keyword?
No. #42891F 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 forestgreen (#228B22) at a CIE76 distance of 8.37, which is clearly related but distinguishable side by side.
Open #42891F in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.