#666E57 color
The hex color #666E57 is a grayish yellow-green.
In the RGB color model it is made of 40% red, 43.1% green and 34.1% blue (102, 110, 87).
Its hue angle is 81°, with 12% saturation and 39% lightness. For print, the CMYK equivalent is 7% cyan, 0% magenta, 21% yellow and 57% black.
The closest named color is Hinterland (#616C51), a difference of 2.2 ΔE, a small difference.
White text is the more readable choice on this background (contrast 5.34:1).
#666E57 color codes
| HEX | #666E57 | |
|---|---|---|
| RGB | rgb(102, 110, 87) | |
| RGB percent | rgb(40%, 43.1%, 34.1%) | |
| HSL | hsl(81, 12%, 39%) | |
| HSV / HSB | hsv(81, 21%, 43%) | |
| CMYK | cmyk(7%, 0%, 21%, 57%) | |
| CIE LAB | lab(45.17, -7.55, 11.84) | |
| CIE LCH | lch(45.17, 14.04, 122.52) | |
| CIE XYZ | xyz(12.776, 14.665, 11.173) | |
| Decimal | 6712919 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #666E57, 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 #666E57 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.93:1 | Fail | Fail | Pass |
| Sample text | 5.34:1 | Pass | Fail | Pass |
| #666E57 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.34:1 | Pass | Fail | Pass |
| Sample text | 3.93:1 | Fail | Fail | 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 #666E57 looks to people with the most common types of color vision deficiency.
#716b56Protanopia
no red cones#706b58Deuteranopia
no green cones#686c68Tritanopia
no blue cones#6b6b6bAchromatopsia
no color vision
CSS examples
.background { background-color: #666e57; }
.text { color: #666e57; }
.border { border: 2px solid #666e57; }
.transparent { background-color: rgb(102 110 87 / 50%); }
.gradient { background: linear-gradient(to right, #666e57, #5b6e57); }
Similar colors
#616c51Hinterland#5f6957Italian Basil#5f674bMonstera#6b6d4eHerbal Whispers#5b6f55Cactus#666a47Bancha#6f7755Dill#5e6354Black Forest
Closest common color name: Ebony.
Questions
- What color is #666E57?
- #666E57 is a grayish yellow-green, closest to the named color Hinterland. It belongs to the green family of colors.
- What is the RGB value of #666E57?
- The RGB value is 102, 110, 87: 102 red, 110 green and 87 blue on a 0 to 255 scale.
- What is the complementary color of #666E57?
- The complementary color is #5F576E, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #666E57?
- White text. Black text has a contrast ratio of 3.93:1 and white text 5.34:1. WCAG asks for at least 4.5:1 for normal text.