#42DD36 Color
#42DD36 is rgb(66, 221, 54) in RGB, hsl(116, 71%, 54%) in HSL, and about cmyk(70%, 0%, 76%, 13%) in CMYK. It has no registered color name of its own — the closest is SGBUS Green (#55DD33), very hard to tell apart at ΔE 3.94. Black text is the more readable choice on this background.
#42DD36rgb(66, 221, 54)hsl(116, 71%, 54%)hsv(116, 76%, 87%)cmyk(70%, 0%, 76%, 13%)oklch(78.7% 0.239 142.1)lab(78.03% -63.72 64.05)lch(78.03% 90.35 134.85)What #42DD36 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 #42DD36, 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.
#42DD36 Channel Values
How #42DD36 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 221 · B 54 | 8-bit channels as sent to the display |
| HSL | H 116° · S 71% · L 54% | Easiest model for building lighter and darker variants |
| HSV | H 116° · S 76% · V 87% | Matches the picker in most design tools |
| CMYK | C 70% · M 0% · Y 76% · K 13% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.81:1 vs white · 11.63:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #42DD36 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 #42DD36 in the contrast checker.
Colors That Go With #42DD36
Pairings derived from color-wheel relationships. The complementary color sits opposite #42DD36; 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 #42DD36
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 #42DD36.
How #42DD36 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.
#42DD36#CDCD38#A7D337#BCBC43#9ACA3E#69D1D1#5CD6A9#C1C1C1Using #42DD36 in Code
Copy-ready declarations for the places this color usually ends up.
--color-42dd36: #42DD36;background-color: #42DD36;colors: { 'color-42dd36': '#42DD36' }Color(red: 0.259, green: 0.867, blue: 0.212)<color name="color_42dd36">#42DD36</color>fill="#42DD36"More Green Colors
#42DD36 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#42DD36 Frequently Asked Questions
What color is #42DD36?
#42DD36 is a mid-tone green — rgb(66, 221, 54) in RGB and hsl(116, 71%, 54%) in HSL. It carries no registered color name of its own; the closest named color is SGBUS Green (#55DD33), which is very hard to tell apart at a CIE76 distance of 3.94.
What is the RGB value of #42DD36?
#42DD36 is rgb(66, 221, 54) — red 66, green 221, and blue 54 on the 0-255 scale.
What is the CMYK value of #42DD36?
#42DD36 converts to approximately cmyk(70%, 0%, 76%, 13%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #42DD36 be black or white?
Black text is the more readable choice. #42DD36 scores 1.81:1 against white and 11.63:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #42DD36 as a CSS color keyword?
No. #42DD36 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 6.94, which is clearly related but distinguishable side by side.
Open #42DD36 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.