#428E2F Color
#428E2F is rgb(66, 142, 47) in RGB, hsl(108, 50%, 37%) in HSL, and about cmyk(54%, 0%, 67%, 44%) in CMYK. It has no registered color name of its own — the closest is May Green (#4C9141), clearly related but distinguishable side by side at ΔE 7.44. Black text is the more readable choice on this background.
#428E2Frgb(66, 142, 47)hsl(108, 50%, 37%)hsv(108, 67%, 56%)cmyk(54%, 0%, 67%, 44%)oklch(57.8% 0.151 139.9)lab(52.70% -38.45 41.33)lch(52.70% 56.45 132.93)What #428E2F 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 #428E2F, 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.
#428E2F Channel Values
How #428E2F 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 142 · B 47 | 8-bit channels as sent to the display |
| HSL | H 108° · S 50% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 108° · S 67% · V 56% | Matches the picker in most design tools |
| CMYK | C 54% · M 0% · Y 67% · K 44% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 4.08:1 vs white · 5.14:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #428E2F 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 #428E2F in the contrast checker.
Colors That Go With #428E2F
Pairings derived from color-wheel relationships. The complementary color sits opposite #428E2F; 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 #428E2F
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 #428E2F.
How #428E2F 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.
#428E2F#858530#708930#7B7B34#698332#528686#4C8A6E#7E7E7EUsing #428E2F in Code
Copy-ready declarations for the places this color usually ends up.
--color-428e2f: #428E2F;background-color: #428E2F;colors: { 'color-428e2f': '#428E2F' }Color(red: 0.259, green: 0.557, blue: 0.184)<color name="color_428e2f">#428E2F</color>fill="#428E2F"More Green Colors
#428E2F sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#428E2F Frequently Asked Questions
What color is #428E2F?
#428E2F is a dark green — rgb(66, 142, 47) in RGB and hsl(108, 50%, 37%) in HSL. It carries no registered color name of its own; the closest named color is May Green (#4C9141), which is clearly related but distinguishable side by side at a CIE76 distance of 7.44.
What is the RGB value of #428E2F?
#428E2F is rgb(66, 142, 47) — red 66, green 142, and blue 47 on the 0-255 scale.
What is the CMYK value of #428E2F?
#428E2F converts to approximately cmyk(54%, 0%, 67%, 44%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #428E2F be black or white?
Black text is the more readable choice. #428E2F scores 4.08:1 against white and 5.14:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #428E2F as a CSS color keyword?
No. #428E2F 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 8.03, which is clearly related but distinguishable side by side.
Open #428E2F in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.