#40FF00 color
#40FF00 is a medium, vivid green, closest to the CSS named color lawngreen (#7CFC00).
Color values
| HEX | #40FF00 |
| RGB | rgb(64, 255, 0) |
| HSL | hsl(105, 100%, 50%) |
| CMYK | cmyk(75%, 0%, 100%, 0%) |
| Decimal | 4259584 |
| CSS | color: #40FF00; |
| Android | 0xFF40FF00 |
| Swift | UIColor(red: 0.251, green: 1.000, blue: 0.000, alpha: 1) |
Accessibility and contrast
| White text on #40FF00 | 1.35:1 — AA fail · AA large fail · AAA fail |
| Black text on #40FF00 | 15.52:1 — AA pass · AA large pass · AAA pass |
| Recommended text color | black |
WCAG 2.1 asks for at least 4.5:1 for body text and 3:1 for large text (18 pt, or 14 pt bold).
Tints and shades of #40FF00
Each swatch keeps the hue and saturation of #40FF00 and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #40FF00
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #40FF00 in code
/* CSS */
.element { color: #40FF00; background-color: #40FF00; }
.element { color: rgb(64 255 0); }
.element { color: hsl(105 100% 50%); }
/* Tailwind arbitrary value */
<div class="bg-[#40FF00] text-black">
/* SCSS variable */
$brand: #40FF00;Frequently asked questions
What color is #40FF00?
#40FF00 is a medium, vivid green. Its hue sits at 105° on the color wheel, with 100% saturation and 50% lightness.
What is #40FF00 in RGB?
#40FF00 converts to rgb(64, 255, 0) — 64 red, 255 green and 0 blue.
What is #40FF00 in CMYK?
Approximately cmyk(75%, 0%, 100%, 0%). Print output depends on the ICC profile of the press and paper, so treat this as a starting point rather than an exact match.
Should text on #40FF00 be white or black?
Black gives the better contrast ratio (15.52:1 versus 1.35:1).
What is the complementary color of #40FF00?
#BF00FF — the hue directly opposite #40FF00 on the color wheel.