#636B61 color
The hex color #636B61 is a gray.
In the RGB color model it is made of 38.8% red, 42% green and 38% blue (99, 107, 97).
Its hue angle is 108°, with 5% saturation and 40% lightness. For print, the CMYK equivalent is 7% cyan, 0% magenta, 9% yellow and 58% black.
The closest named color is Italian Basil (#5F6957), a difference of 3.9 ΔE, a small difference.
White text is the more readable choice on this background (contrast 5.52:1).
#636B61 color codes
| HEX | #636B61 | |
|---|---|---|
| RGB | rgb(99, 107, 97) | |
| RGB percent | rgb(38.8%, 42%, 38%) | |
| HSL | hsl(108, 5%, 40%) | |
| HSV / HSB | hsv(108, 9%, 42%) | |
| CMYK | cmyk(7%, 0%, 9%, 58%) | |
| CIE LAB | lab(44.28, -5.14, 4.56) | |
| CIE LCH | lch(44.28, 6.87, 138.41) | |
| CIE XYZ | xyz(12.561, 14.031, 13.353) | |
| Decimal | 6515553 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #636B61, 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 #636B61 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.81:1 | Fail | Fail | Pass |
| Sample text | 5.52:1 | Pass | Fail | Pass |
| #636B61 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.52:1 | Pass | Fail | Pass |
| Sample text | 3.81:1 | 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 #636B61 looks to people with the most common types of color vision deficiency.
#6c6960Protanopia
no red cones#6a6861Deuteranopia
no green cones#636a68Tritanopia
no blue cones#696969Achromatopsia
no color vision
CSS examples
.background { background-color: #636b61; }
.text { color: #636b61; }
.border { border: 2px solid #636b61; }
.transparent { background-color: rgb(99 107 97 / 50%); }
.gradient { background: linear-gradient(to right, #636b61, #616b64); }
Similar colors
#5f6957Italian Basil#5e6354Black Forest#6a6b65Armoury#6d6c5fKnit Cardigan#556962Dark Forest#6b6d6aShadows#555d50Ebony#67786eCamping Trip
Questions
- What color is #636B61?
- #636B61 is a gray, closest to the named color Italian Basil. It belongs to the gray family of colors.
- What is the RGB value of #636B61?
- The RGB value is 99, 107, 97: 99 red, 107 green and 97 blue on a 0 to 255 scale.
- What is the complementary color of #636B61?
- The complementary color is #69616B, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #636B61?
- White text. Black text has a contrast ratio of 3.81:1 and white text 5.52:1. WCAG asks for at least 4.5:1 for normal text.