#55F66E Color
#55F66E is rgb(85, 246, 110) in RGB, hsl(129, 90%, 65%) in HSL, and about cmyk(65%, 0%, 55%, 4%) in CMYK. It has no registered color name of its own — the closest is Screamin' Green (#66FF66), clearly related but distinguishable side by side at ΔE 7.69. Black text is the more readable choice on this background.
#55F66Ergb(85, 246, 110)hsl(129, 90%, 65%)hsv(129, 65%, 96%)cmyk(65%, 0%, 55%, 4%)oklch(86.1% 0.224 145.9)lab(86.52% -63.83 51.63)lch(86.52% 82.10 141.03)What #55F66E 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 #55F66E, 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.
#55F66E Channel Values
How #55F66E 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 85 · G 246 · B 110 | 8-bit channels as sent to the display |
| HSL | H 129° · S 90% · L 65% | Easiest model for building lighter and darker variants |
| HSV | H 129° · S 65% · V 96% | Matches the picker in most design tools |
| CMYK | C 65% · M 0% · Y 55% · K 4% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.42:1 vs white · 14.79:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #55F66E 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 #55F66E in the contrast checker.
Colors That Go With #55F66E
Pairings derived from color-wheel relationships. The complementary color sits opposite #55F66E; 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 #55F66E
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 #55F66E.
How #55F66E 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.
#55F66E#E5E56F#BCEC6F#D2D275#AEE272#78EAEA#6CEFC5#D8D8D8Using #55F66E in Code
Copy-ready declarations for the places this color usually ends up.
--color-55f66e: #55F66E;background-color: #55F66E;colors: { 'color-55f66e': '#55F66E' }Color(red: 0.333, green: 0.965, blue: 0.431)<color name="color_55f66e">#55F66E</color>fill="#55F66E"More Green Colors
#55F66E sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#55F66E Frequently Asked Questions
What color is #55F66E?
#55F66E is a light green — rgb(85, 246, 110) in RGB and hsl(129, 90%, 65%) in HSL. It carries no registered color name of its own; the closest named color is Screamin' Green (#66FF66), which is clearly related but distinguishable side by side at a CIE76 distance of 7.69.
What is the RGB value of #55F66E?
#55F66E is rgb(85, 246, 110) — red 85, green 246, and blue 110 on the 0-255 scale.
What is the CMYK value of #55F66E?
#55F66E converts to approximately cmyk(65%, 0%, 55%, 4%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #55F66E be black or white?
Black text is the more readable choice. #55F66E scores 1.42:1 against white and 14.79:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #55F66E as a CSS color keyword?
No. #55F66E 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 springgreen (#00FF7F) at a CIE76 distance of 10.52, which is visibly different.
Open #55F66E in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.