#42AF04 Color
#42AF04 is rgb(66, 175, 4) in RGB, hsl(98, 96%, 35%) in HSL, and about cmyk(62%, 0%, 98%, 31%) in CMYK. It has no registered color name of its own — the closest is Kelly Green (#4CBB17), very hard to tell apart at ΔE 4.4. Black text is the more readable choice on this background.
#42AF04rgb(66, 175, 4)hsl(98, 96%, 35%)hsv(98, 98%, 69%)cmyk(62%, 0%, 98%, 31%)oklch(66.4% 0.207 138.8)lab(63.30% -51.36 61.88)lch(63.30% 80.42 129.69)What #42AF04 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 #42AF04, 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.
#42AF04 Channel Values
How #42AF04 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 175 · B 4 | 8-bit channels as sent to the display |
| HSL | H 98° · S 96% · L 35% | Easiest model for building lighter and darker variants |
| HSV | H 98° · S 98% · V 69% | Matches the picker in most design tools |
| CMYK | C 62% · M 0% · Y 98% · K 31% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.85:1 vs white · 7.37:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #42AF04 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 #42AF04 in the contrast checker.
Colors That Go With #42AF04
Pairings derived from color-wheel relationships. The complementary color sits opposite #42AF04; 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 #42AF04
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 #42AF04.
How #42AF04 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.
#42AF04#A3A30A#87A807#96961C#7DA115#5DA5A5#53A983#999999Using #42AF04 in Code
Copy-ready declarations for the places this color usually ends up.
--color-42af04: #42AF04;background-color: #42AF04;colors: { 'color-42af04': '#42AF04' }Color(red: 0.259, green: 0.686, blue: 0.016)<color name="color_42af04">#42AF04</color>fill="#42AF04"More Green Colors
#42AF04 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#42AF04 Frequently Asked Questions
What color is #42AF04?
#42AF04 is a dark green — rgb(66, 175, 4) in RGB and hsl(98, 96%, 35%) in HSL. It carries no registered color name of its own; the closest named color is Kelly Green (#4CBB17), which is very hard to tell apart at a CIE76 distance of 4.4.
What is the RGB value of #42AF04?
#42AF04 is rgb(66, 175, 4) — red 66, green 175, and blue 4 on the 0-255 scale.
What is the CMYK value of #42AF04?
#42AF04 converts to approximately cmyk(62%, 0%, 98%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #42AF04 be black or white?
Black text is the more readable choice. #42AF04 scores 2.85:1 against white and 7.37:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #42AF04 as a CSS color keyword?
No. #42AF04 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 limegreen (#32CD32) at a CIE76 distance of 14.19, which is visibly different.
Open #42AF04 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.