#666B77 color
The hex color #666B77 is a gray.
In the RGB color model it is made of 40% red, 42% green and 46.7% blue (102, 107, 119).
Its hue angle is 222°, with 8% saturation and 43% lightness. For print, the CMYK equivalent is 14% cyan, 10% magenta, 0% yellow and 53% black.
The closest named color is Ashen Whisper (#646B7A), a difference of 1.4 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 5.34:1).
#666B77 color codes
| HEX | #666B77 | |
|---|---|---|
| RGB | rgb(102, 107, 119) | |
| RGB percent | rgb(40%, 42%, 46.7%) | |
| HSL | hsl(222, 8%, 43%) | |
| HSV / HSB | hsv(222, 14%, 47%) | |
| CMYK | cmyk(14%, 10%, 0%, 53%) | |
| CIE LAB | lab(45.18, 0.76, -7.33) | |
| CIE LCH | lch(45.18, 7.37, 275.93) | |
| CIE XYZ | xyz(14.066, 14.672, 19.54) | |
| Decimal | 6712183 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #666B77, 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 #666B77 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.93:1 | Fail | Fail | Pass |
| Sample text | 5.34:1 | Pass | Fail | Pass |
| #666B77 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 #666B77 looks to people with the most common types of color vision deficiency.
#686c78Protanopia
no red cones#666a77Deuteranopia
no green cones#626d6fTritanopia
no blue cones#6b6b6bAchromatopsia
no color vision
CSS examples
.background { background-color: #666b77; }
.text { color: #666b77; }
.border { border: 2px solid #666b77; }
.transparent { background-color: rgb(102 107 119 / 50%); }
.gradient { background: linear-gradient(to right, #666b77, #6a6677); }
Similar colors
#646b7aAshen Whisper#656874Alley Cat#6b717aMade in the Shade#5c606eConcrete Landscape#5f606eVenus Mist#717378Space Gray#566373Midnight Shadow#686d70Beautiful Darkness
Questions
- What color is #666B77?
- #666B77 is a gray, closest to the named color Ashen Whisper. It belongs to the gray family of colors.
- What is the RGB value of #666B77?
- The RGB value is 102, 107, 119: 102 red, 107 green and 119 blue on a 0 to 255 scale.
- What is the complementary color of #666B77?
- The complementary color is #777266, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #666B77?
- 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.