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#428F1E Color

#428F1E is rgb(66, 143, 30) in RGB, hsl(101, 65%, 34%) in HSL, and about cmyk(54%, 0%, 79%, 44%) 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 6.49. Black text is the more readable choice on this background.

#428F1E
HEX#428F1E
RGBrgb(66, 143, 30)
HSLhsl(101, 65%, 34%)
HSVhsv(101, 79%, 56%)
CMYKcmyk(54%, 0%, 79%, 44%)
OKLCHoklch(57.9% 0.163 138)
LABlab(52.93% -39.81 47.99)
LCHlch(52.93% 62.35 129.68)

What #428F1E 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 #428F1E, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Napier Green#2A8000ΔE 6.49Forest Green#228B22ΔE 7.46India Green#138808ΔE 9.08Slimy Green#299617ΔE 9.25Green#008000ΔE 10.22Xbox Green#0E7A0DΔE 10.35

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

#428F1E Channel Values

How #428F1E 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 66 · G 143 · B 308-bit channels as sent to the display
HSLH 101° · S 65% · L 34%Easiest model for building lighter and darker variants
HSVH 101° · S 79% · V 56%Matches the picker in most design tools
CMYKC 54% · M 0% · Y 79% · K 44%Approximate ink mix; confirm with an ICC profile before printing
Luminance4.05:1 vs white · 5.18:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #428F1E 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.

Fails AAWhite text4.05:1AA normal AA large AAA normal
TextBlack text5.18:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #428F1E in the contrast checker.

Colors That Go With #428F1E

Pairings derived from color-wheel relationships. The complementary color sits opposite #428F1E; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#428F1E
Complementary
#6B1E8F
Analogous
#7A8F1E
Analogous
#1E8F33
Triadic
#1E428F
Triadic
#8F1E42
Split comp.
#331E8F
Split comp.
#8F1E7A

Tints & Shades of #428F1E

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

#54B526
#67D435
#84DC5B
#A3E585
#C0EDAB
#DCF5D1

Shades

#3A7E1B
#316916
#295813
#21480F
#19370C
#102207

Want a full 50-950 ramp with semantic roles? Generate design tokens from #428F1E.

How #428F1E 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#428F1E
Protanopia#86861F
Protanomaly#71891F
Deuteranopia#7C7C26
Deuteranomaly#6A8423
Tritanopia#548787
Tritanomaly#4D8A6C
Achromatopsia#7E7E7E

Test a full palette in the color blindness simulator.

Using #428F1E in Code

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

CSS custom property--color-428f1e: #428F1E;
CSS backgroundbackground-color: #428F1E;
Tailwind configcolors: { 'color-428f1e': '#428F1E' }
SwiftUIColor(red: 0.259, green: 0.561, blue: 0.118)
Android XML<color name="color_428f1e">#428F1E</color>
SVG fillfill="#428F1E"

More Green Colors

#428F1E sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.

000200fdfff5001f00f7fee7002400f7fbf5002c22f5fffa002e00f5fff5003300f0fff000800000db870d542b20483f33cc6646c3995ea50072863991e0b7a3f5d8bcd7bcd1ffed

#428F1E Frequently Asked Questions

What color is #428F1E?

#428F1E is a dark green — rgb(66, 143, 30) in RGB and hsl(101, 65%, 34%) 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 6.49.

What is the RGB value of #428F1E?

#428F1E is rgb(66, 143, 30) — red 66, green 143, and blue 30 on the 0-255 scale.

What is the CMYK value of #428F1E?

#428F1E converts to approximately cmyk(54%, 0%, 79%, 44%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #428F1E be black or white?

Black text is the more readable choice. #428F1E scores 4.05:1 against white and 5.18:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #428F1E as a CSS color keyword?

No. #428F1E 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 7.46, which is clearly related but distinguishable side by side.

Open #428F1E in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

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