#17CF42 Color
#17CF42 is rgb(23, 207, 66) in RGB, hsl(134, 80%, 45%) in HSL, and about cmyk(89%, 0%, 68%, 19%) in CMYK. It has no registered color name of its own — the closest is Vivid Malachite (#00CC33), very hard to tell apart at ΔE 4.42. Black text is the more readable choice on this background.
#17CF42rgb(23, 207, 66)hsl(134, 80%, 45%)hsv(134, 89%, 81%)cmyk(89%, 0%, 68%, 19%)oklch(74.5% 0.226 145.4)lab(73.06% -64.26 54.70)lch(73.06% 84.39 139.59)What #17CF42 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 #17CF42, 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.
#17CF42 Channel Values
How #17CF42 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 23 · G 207 · B 66 | 8-bit channels as sent to the display |
| HSL | H 134° · S 80% · L 45% | Easiest model for building lighter and darker variants |
| HSV | H 134° · S 89% · V 81% | Matches the picker in most design tools |
| CMYK | C 89% · M 0% · Y 68% · K 19% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.09:1 vs white · 10.04:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #17CF42 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 #17CF42 in the contrast checker.
Colors That Go With #17CF42
Pairings derived from color-wheel relationships. The complementary color sits opposite #17CF42; 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 #17CF42
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 #17CF42.
How #17CF42 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.
#17CF42#BFBF44#98C543#ADAD4C#8ABC48#50C4C4#41C9A0#B3B3B3Using #17CF42 in Code
Copy-ready declarations for the places this color usually ends up.
--color-17cf42: #17CF42;background-color: #17CF42;colors: { 'color-17cf42': '#17CF42' }Color(red: 0.090, green: 0.812, blue: 0.259)<color name="color_17cf42">#17CF42</color>fill="#17CF42"More Green Colors
#17CF42 sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#17CF42 Frequently Asked Questions
What color is #17CF42?
#17CF42 is a mid-tone green — rgb(23, 207, 66) in RGB and hsl(134, 80%, 45%) in HSL. It carries no registered color name of its own; the closest named color is Vivid Malachite (#00CC33), which is very hard to tell apart at a CIE76 distance of 4.42.
What is the RGB value of #17CF42?
#17CF42 is rgb(23, 207, 66) — red 23, green 207, and blue 66 on the 0-255 scale.
What is the CMYK value of #17CF42?
#17CF42 converts to approximately cmyk(89%, 0%, 68%, 19%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #17CF42 be black or white?
Black text is the more readable choice. #17CF42 scores 2.09:1 against white and 10.04:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #17CF42 as a CSS color keyword?
No. #17CF42 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 5.88, which is clearly related but distinguishable side by side.
Open #17CF42 in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.