#DEF66A Color
#DEF66A is rgb(222, 246, 106) in RGB, hsl(70, 89%, 69%) in HSL, and about cmyk(10%, 0%, 57%, 4%) in CMYK. It has no registered color name of its own — the closest is Maximum Green Yellow (#D9E650), clearly related but distinguishable side by side at ΔE 8.12. Black text is the more readable choice on this background.
#DEF66Argb(222, 246, 106)hsl(70, 89%, 69%)hsv(70, 57%, 96%)cmyk(10%, 0%, 57%, 4%)oklch(92.9% 0.166 117.9)lab(93.10% -22.15 62.87)lch(93.10% 66.66 109.41)What #DEF66A 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 #DEF66A, 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.
#DEF66A Channel Values
How #DEF66A 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 222 · G 246 · B 106 | 8-bit channels as sent to the display |
| HSL | H 70° · S 89% · L 69% | Easiest model for building lighter and darker variants |
| HSV | H 70° · S 57% · V 96% | Matches the picker in most design tools |
| CMYK | C 10% · M 0% · Y 57% · K 4% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 1.2:1 vs white · 17.5:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #DEF66A 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 #DEF66A in the contrast checker.
Colors That Go With #DEF66A
Pairings derived from color-wheel relationships. The complementary color sits opposite #DEF66A; 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 #DEF66A
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 #DEF66A.
How #DEF66A 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.
#DEF66A#F2F26A#EAF46A#EEEE6C#E8F16B#EBEAEA#E6EFC4#EAEAEAUsing #DEF66A in Code
Copy-ready declarations for the places this color usually ends up.
--color-def66a: #DEF66A;background-color: #DEF66A;colors: { 'color-def66a': '#DEF66A' }Color(red: 0.871, green: 0.965, blue: 0.416)<color name="color_def66a">#DEF66A</color>fill="#DEF66A"More Green Colors
#DEF66A sits in the green family. These are its neighbours across that family's full range, each with its own breakdown.
#DEF66A Frequently Asked Questions
What color is #DEF66A?
#DEF66A is a light green — rgb(222, 246, 106) in RGB and hsl(70, 89%, 69%) in HSL. It carries no registered color name of its own; the closest named color is Maximum Green Yellow (#D9E650), which is clearly related but distinguishable side by side at a CIE76 distance of 8.12.
What is the RGB value of #DEF66A?
#DEF66A is rgb(222, 246, 106) — red 222, green 246, and blue 106 on the 0-255 scale.
What is the CMYK value of #DEF66A?
#DEF66A converts to approximately cmyk(10%, 0%, 57%, 4%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #DEF66A be black or white?
Black text is the more readable choice. #DEF66A scores 1.2:1 against white and 17.5:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #DEF66A as a CSS color keyword?
No. #DEF66A 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 yellowgreen (#9ACD32) at a CIE76 distance of 19.85, which is visibly different.
Open #DEF66A in a Tool
Keep exploring: every green in the color library, the guide to shades of green, or the full color library.