#66F541 color
The hex color #66F541 is a vivid green.
In the RGB color model it is made of 40% red, 96.1% green and 25.5% blue (102, 245, 65).
Its hue angle is 108°, with 90% saturation and 61% lightness. For print, the CMYK equivalent is 58% cyan, 0% magenta, 73% yellow and 4% black.
The closest named color is Traffic Green (#55FF22), a difference of 2.8 ΔE, a small difference.
Black text is the more readable choice on this background (contrast 14.7:1).
#66F541 color codes
| HEX | #66F541 | |
|---|---|---|
| RGB | rgb(102, 245, 65) | |
| RGB percent | rgb(40%, 96.1%, 25.5%) | |
| HSL | hsl(108, 90%, 61%) | |
| HSV / HSB | hsv(108, 73%, 96%) | |
| CMYK | cmyk(58%, 0%, 73%, 4%) | |
| CIE LAB | lab(86.26, -68.96, 70.41) | |
| CIE LCH | lch(86.26, 98.56, 134.4) | |
| CIE XYZ | xyz(39.084, 68.508, 16.164) | |
| Decimal | 6747457 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #66F541, based on their position on the color wheel.
Complementary
The color opposite on the color wheel (180°). Strongest contrast.
Analogous
Neighbors 30° either side. Calm, natural combinations.
Split complementary
The two colors next to the complement (150° and 210°).
Triadic
Three colors evenly spaced, 120° apart.
Tetradic (square)
Four colors 90° apart.
Shades, tints and tones
Shades (darker, mixed with black)
Tints (lighter, mixed with white)
Tones (mixed with gray)
Contrast and accessibility
| Text on #66F541 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 14.7:1 | Pass | Pass | Pass |
| Sample text | 1.43:1 | Fail | Fail | Fail |
| #66F541 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 1.43:1 | Fail | Fail | Fail |
| Sample text | 14.7:1 | Pass | Pass | Pass |
WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.
Color blindness simulation
How #66F541 looks to people with the most common types of color vision deficiency.
#fcdf1bProtanopia
no red cones#ead354Deuteranopia
no green cones#53edd3Tritanopia
no blue cones#d8d8d8Achromatopsia
no color vision
CSS examples
.background { background-color: #66f541; }
.text { color: #66f541; }
.border { border: 2px solid #66f541; }
.transparent { background-color: rgb(102 245 65 / 50%); }
.gradient { background: linear-gradient(to right, #66f541, #41f576); }
Similar colors
#55ff22Traffic Green#55ee00Furious Frog#70f15eThe Matrix#4bec13Becquerel#44ee00Nuclear Meltdown#66ff22Venomous Green#35fa00Plutonium#2fef10Vivid Green
Closest common color name: Neon Green.
Questions
- What color is #66F541?
- #66F541 is a vivid green, closest to the named color Traffic Green. It belongs to the green family of colors.
- What is the RGB value of #66F541?
- The RGB value is 102, 245, 65: 102 red, 245 green and 65 blue on a 0 to 255 scale.
- What is the complementary color of #66F541?
- The complementary color is #D041F5, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #66F541?
- Black text. Black text has a contrast ratio of 14.7:1 and white text 1.43:1. WCAG asks for at least 4.5:1 for normal text.