#646661 color

#646661 rgb(100, 102, 97)
Shades of gray

The hex color #646661 is a gray.

In the RGB color model it is made of 39.2% red, 40% green and 38% blue (100, 102, 97).

Its hue angle is 84°, with 3% saturation and 39% lightness. For print, the CMYK equivalent is 2% cyan, 0% magenta, 5% yellow and 60% black.

The closest named color is Armoury (#6A6B65), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 5.81:1).

#646661 color codes

HEX#646661
RGBrgb(100, 102, 97)
RGB percentrgb(39.2%, 40%, 38%)
HSLhsl(84, 3%, 39%)
HSV / HSBhsv(84, 5%, 40%)
CMYKcmyk(2%, 0%, 5%, 60%)
CIE LABlab(42.88, -1.81, 2.55)
CIE LCHlch(42.88, 3.13, 125.28)
CIE XYZxyz(12.164, 13.075, 13.19)
Decimal6579809
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #646661, 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 #646661RatioAAAAAAA large
Sample text3.62:1FailFailPass
Sample text5.81:1PassFailPass
#646661 as text onRatioAAAAAAA large
Sample text5.81:1PassFailPass
Sample text3.62:1FailFailPass

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 #646661 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646661; }
.text { color: #646661; }
.border { border: 2px solid #646661; }
.transparent { background-color: rgb(100 102 97 / 50%); }
.gradient { background: linear-gradient(to right, #646661, #626661); }
Background
Text color
Border

Similar colors

Questions

What color is #646661?
#646661 is a gray, closest to the named color Armoury. It belongs to the gray family of colors.
What is the RGB value of #646661?
The RGB value is 100, 102, 97: 100 red, 102 green and 97 blue on a 0 to 255 scale.
What is the complementary color of #646661?
The complementary color is #636166, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646661?
White text. Black text has a contrast ratio of 3.62:1 and white text 5.81:1. WCAG asks for at least 4.5:1 for normal text.