#646A60 color
The hex color #646A60 is a gray.
In the RGB color model it is made of 39.2% red, 41.6% green and 37.6% blue (100, 106, 96).
Its hue angle is 96°, with 5% saturation and 40% lightness. For print, the CMYK equivalent is 6% cyan, 0% magenta, 9% yellow and 58% black.
The closest named color is Black Forest (#5E6354), a difference of 3.6 ΔE, a small difference.
White text is the more readable choice on this background (contrast 5.57:1).
#646A60 color codes
| HEX | #646A60 | |
|---|---|---|
| RGB | rgb(100, 106, 96) | |
| RGB percent | rgb(39.2%, 41.6%, 37.6%) | |
| HSL | hsl(96, 5%, 40%) | |
| HSV / HSB | hsv(96, 9%, 42%) | |
| CMYK | cmyk(6%, 0%, 9%, 58%) | |
| CIE LAB | lab(44.03, -4.36, 4.82) | |
| CIE LCH | lch(44.03, 6.5, 132.11) | |
| CIE XYZ | xyz(12.521, 13.862, 13.08) | |
| Decimal | 6580832 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #646A60, 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 #646A60 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.77:1 | Fail | Fail | Pass |
| Sample text | 5.57:1 | Pass | Fail | Pass |
| #646A60 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.57:1 | Pass | Fail | Pass |
| Sample text | 3.77:1 | 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 #646A60 looks to people with the most common types of color vision deficiency.
#6b685fProtanopia
no red cones#6a6860Deuteranopia
no green cones#646967Tritanopia
no blue cones#686868Achromatopsia
no color vision
CSS examples
.background { background-color: #646a60; }
.text { color: #646a60; }
.border { border: 2px solid #646a60; }
.transparent { background-color: rgb(100 106 96 / 50%); }
.gradient { background: linear-gradient(to right, #646a60, #606a61); }
Similar colors
#5e6354Black Forest#6a6b65Armoury#6d6c5fKnit Cardigan#5f6957Italian Basil#6b6d6aShadows#6e6a5eArchaeology#555d50Ebony#6c685eCatch of the Day
Questions
- What color is #646A60?
- #646A60 is a gray, closest to the named color Black Forest. It belongs to the gray family of colors.
- What is the RGB value of #646A60?
- The RGB value is 100, 106, 96: 100 red, 106 green and 96 blue on a 0 to 255 scale.
- What is the complementary color of #646A60?
- The complementary color is #66606A, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #646A60?
- White text. Black text has a contrast ratio of 3.77:1 and white text 5.57:1. WCAG asks for at least 4.5:1 for normal text.