#645D50 color
The hex color #645D50 is a dark, grayish orange.
In the RGB color model it is made of 39.2% red, 36.5% green and 31.4% blue (100, 93, 80).
Its hue angle is 39°, with 11% saturation and 35% lightness. For print, the CMYK equivalent is 0% cyan, 7% magenta, 20% yellow and 61% black.
The closest named color is Ancient Oak (#665B4E), a difference of 2.4 ΔE, a small difference.
White text is the more readable choice on this background (contrast 6.51:1).
#645D50 color codes
| HEX | #645D50 | |
|---|---|---|
| RGB | rgb(100, 93, 80) | |
| RGB percent | rgb(39.2%, 36.5%, 31.4%) | |
| HSL | hsl(39, 11%, 35%) | |
| HSV / HSB | hsv(39, 20%, 39%) | |
| CMYK | cmyk(0%, 7%, 20%, 61%) | |
| CIE LAB | lab(39.78, 0.39, 8.49) | |
| CIE LCH | lch(39.78, 8.5, 87.39) | |
| CIE XYZ | xyz(10.618, 11.117, 9.174) | |
| Decimal | 6577488 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #645D50, 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 #645D50 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.22:1 | Fail | Fail | Pass |
| Sample text | 6.51:1 | Pass | Fail | Pass |
| #645D50 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 6.51:1 | Pass | Fail | Pass |
| Sample text | 3.22:1 | 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 #645D50 looks to people with the most common types of color vision deficiency.
#605d4fProtanopia
no red cones#625e50Deuteranopia
no green cones#685b59Tritanopia
no blue cones#5e5e5eAchromatopsia
no color vision
CSS examples
.background { background-color: #645d50; }
.text { color: #645d50; }
.border { border: 2px solid #645d50; }
.transparent { background-color: rgb(100 93 80 / 50%); }
.gradient { background: linear-gradient(to right, #645d50, #616450); }
Similar colors
#665b4eAncient Oak#67614fIvy Topiary#61584fMetropolis#61574eMajor Brown#665a51Underground#6c685eCatch of the Day#57534bMasala#6c5e53Kabul
Closest common color name: Umber.
Questions
- What color is #645D50?
- #645D50 is a dark, grayish orange, closest to the named color Ancient Oak. It belongs to the gray family of colors.
- What is the RGB value of #645D50?
- The RGB value is 100, 93, 80: 100 red, 93 green and 80 blue on a 0 to 255 scale.
- What is the complementary color of #645D50?
- The complementary color is #505764, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #645D50?
- White text. Black text has a contrast ratio of 3.22:1 and white text 6.51:1. WCAG asks for at least 4.5:1 for normal text.