#646351 color

#646351 rgb(100, 99, 81)
Shades of gray

The hex color #646351 is a dark, grayish yellow.

In the RGB color model it is made of 39.2% red, 38.8% green and 31.8% blue (100, 99, 81).

Its hue angle is 57°, with 10% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 1% magenta, 19% yellow and 61% black.

The closest named color is Ivy Topiary (#67614F), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 6.1:1).

#646351 color codes

HEX#646351
RGBrgb(100, 99, 81)
RGB percentrgb(39.2%, 38.8%, 31.8%)
HSLhsl(57, 10%, 35%)
HSV / HSBhsv(57, 19%, 39%)
CMYKcmyk(0%, 1%, 19%, 61%)
CIE LABlab(41.57, -3.02, 10.4)
CIE LCHlch(41.57, 10.83, 106.2)
CIE XYZxyz(11.202, 12.227, 9.553)
Decimal6579025
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #646351, 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 #646351RatioAAAAAAA large
Sample text3.45:1FailFailPass
Sample text6.1:1PassFailPass
#646351 as text onRatioAAAAAAA large
Sample text6.1:1PassFailPass
Sample text3.45:1FailFailPass

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 #646351 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #646351; }
.text { color: #646351; }
.border { border: 2px solid #646351; }
.transparent { background-color: rgb(100 99 81 / 50%); }
.gradient { background: linear-gradient(to right, #646351, #5b6451); }
Background
Text color
Border

Similar colors

Closest common color name: Ebony.

Questions

What color is #646351?
#646351 is a dark, grayish yellow, closest to the named color Ivy Topiary. It belongs to the gray family of colors.
What is the RGB value of #646351?
The RGB value is 100, 99, 81: 100 red, 99 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #646351?
The complementary color is #515264, found by rotating the hue 180° on the color wheel.
Is black or white text better on #646351?
White text. Black text has a contrast ratio of 3.45:1 and white text 6.1:1. WCAG asks for at least 4.5:1 for normal text.