#00FF40 color
#00FF40 is a medium, vivid green, closest to the CSS named color springgreen (#00FF7F).
Color values
| HEX | #00FF40 |
| RGB | rgb(0, 255, 64) |
| HSL | hsl(135, 100%, 50%) |
| CMYK | cmyk(100%, 0%, 75%, 0%) |
| Decimal | 65344 |
| CSS | color: #00FF40; |
| Android | 0xFF00FF40 |
| Swift | UIColor(red: 0.000, green: 1.000, blue: 0.251, alpha: 1) |
Accessibility and contrast
| White text on #00FF40 | 1.37:1 — AA fail · AA large fail · AAA fail |
| Black text on #00FF40 | 15.38:1 — 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 #00FF40
Each swatch keeps the hue and saturation of #00FF40 and varies only lightness — the quickest way to build a usable scale from a single brand color.
Colors that go with #00FF40
Harmonies generated by rotating the hue on the color wheel while holding saturation and lightness constant.
Using #00FF40 in code
/* CSS */
.element { color: #00FF40; background-color: #00FF40; }
.element { color: rgb(0 255 64); }
.element { color: hsl(135 100% 50%); }
/* Tailwind arbitrary value */
<div class="bg-[#00FF40] text-black">
/* SCSS variable */
$brand: #00FF40;Frequently asked questions
What color is #00FF40?
#00FF40 is a medium, vivid green. Its hue sits at 135° on the color wheel, with 100% saturation and 50% lightness.
What is #00FF40 in RGB?
#00FF40 converts to rgb(0, 255, 64) — 0 red, 255 green and 64 blue.
What is #00FF40 in CMYK?
Approximately cmyk(100%, 0%, 75%, 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 #00FF40 be white or black?
Black gives the better contrast ratio (15.38:1 versus 1.37:1).
What is the complementary color of #00FF40?
#FF00BF — the hue directly opposite #00FF40 on the color wheel.