#665B55 color

#665B55 rgb(102, 91, 85)
Shades of gray

The hex color #665B55 is a dark, grayish orange.

In the RGB color model it is made of 40% red, 35.7% green and 33.3% blue (102, 91, 85).

Its hue angle is 21°, with 9% saturation and 37% lightness. For print, the CMYK equivalent is 0% cyan, 11% magenta, 17% yellow and 60% black.

The closest named color is Underground (#665A51), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.58:1).

#665B55 color codes

HEX#665B55
RGBrgb(102, 91, 85)
RGB percentrgb(40%, 35.7%, 33.3%)
HSLhsl(21, 9%, 37%)
HSV / HSBhsv(21, 17%, 40%)
CMYKcmyk(0%, 11%, 17%, 60%)
CIE LABlab(39.52, 3.32, 5.08)
CIE LCHlch(39.52, 6.07, 56.79)
CIE XYZxyz(10.86, 10.963, 10.137)
Decimal6708053
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #665B55, 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 #665B55RatioAAAAAAA large
Sample text3.19:1FailFailPass
Sample text6.58:1PassFailPass
#665B55 as text onRatioAAAAAAA large
Sample text6.58:1PassFailPass
Sample text3.19:1FailFailPass

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 #665B55 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #665b55; }
.text { color: #665b55; }
.border { border: 2px solid #665b55; }
.transparent { background-color: rgb(102 91 85 / 50%); }
.gradient { background: linear-gradient(to right, #665b55, #666455); }
Background
Text color
Border

Similar colors

Closest common color name: Umber.

Questions

What color is #665B55?
#665B55 is a dark, grayish orange, closest to the named color Underground. It belongs to the gray family of colors.
What is the RGB value of #665B55?
The RGB value is 102, 91, 85: 102 red, 91 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #665B55?
The complementary color is #556066, found by rotating the hue 180° on the color wheel.
Is black or white text better on #665B55?
White text. Black text has a contrast ratio of 3.19:1 and white text 6.58:1. WCAG asks for at least 4.5:1 for normal text.