#42A981 Color
#42A981 is rgb(66, 169, 129) in RGB, hsl(157, 44%, 46%) in HSL, and about cmyk(61%, 0%, 24%, 34%) in CMYK. It has no registered color name of its own — the closest is Jungle Green (#29AB87), clearly related but distinguishable side by side at ΔE 5.06. Black text is the more readable choice on this background.
#42A981rgb(66, 169, 129)hsl(157, 44%, 46%)hsv(157, 61%, 66%)cmyk(61%, 0%, 24%, 34%)oklch(66.4% 0.113 164.4)lab(62.50% -38.49 11.46)lch(62.50% 40.16 163.41)What #42A981 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 #42A981, 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.
#42A981 Channel Values
How #42A981 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 169 · B 129 | 8-bit channels as sent to the display |
| HSL | H 157° · S 44% · L 46% | Easiest model for building lighter and darker variants |
| HSV | H 157° · S 61% · V 66% | Matches the picker in most design tools |
| CMYK | C 61% · M 0% · Y 24% · K 34% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.91:1 vs white · 7.22:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #42A981 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 #42A981 in the contrast checker.
Colors That Go With #42A981
Pairings derived from color-wheel relationships. The complementary color sits opposite #42A981; 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 #42A981
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 #42A981.
How #42A981 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.
#42A981#9D9D81#82A281#919184#799B83#4EA5A5#4AA698#979797Using #42A981 in Code
Copy-ready declarations for the places this color usually ends up.
--color-42a981: #42A981;background-color: #42A981;colors: { 'color-42a981': '#42A981' }Color(red: 0.259, green: 0.663, blue: 0.506)<color name="color_42a981">#42A981</color>fill="#42A981"More Green Colors
#42A981 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#42A981 Frequently Asked Questions
What color is #42A981?
#42A981 is a mid-tone green — rgb(66, 169, 129) in RGB and hsl(157, 44%, 46%) in HSL. It carries no registered color name of its own; the closest named color is Jungle Green (#29AB87), which is clearly related but distinguishable side by side at a CIE76 distance of 5.06.
What is the RGB value of #42A981?
#42A981 is rgb(66, 169, 129) — red 66, green 169, and blue 129 on the 0-255 scale.
What is the CMYK value of #42A981?
#42A981 converts to approximately cmyk(61%, 0%, 24%, 34%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #42A981 be black or white?
Black text is the more readable choice. #42A981 scores 2.91:1 against white and 7.22:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #42A981 as a CSS color keyword?
No. #42A981 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 mediumaquamarine (#66CDAA) at a CIE76 distance of 13.57, which is visibly different.
Open #42A981 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.