#636E63 color
The hex color #636E63 is a gray.
In the RGB color model it is made of 38.8% red, 43.1% green and 38.8% blue (99, 110, 99).
Its hue angle is 120°, with 5% saturation and 41% lightness. For print, the CMYK equivalent is 10% cyan, 0% magenta, 10% yellow and 57% black.
The closest named color is Italian Basil (#5F6957), a difference of 3.7 ΔE, a small difference.
White text is the more readable choice on this background (contrast 5.33:1).
#636E63 color codes
| HEX | #636E63 | |
|---|---|---|
| RGB | rgb(99, 110, 99) | |
| RGB percent | rgb(38.8%, 43.1%, 38.8%) | |
| HSL | hsl(120, 5%, 41%) | |
| HSV / HSB | hsv(120, 10%, 43%) | |
| CMYK | cmyk(10%, 0%, 10%, 57%) | |
| CIE LAB | lab(45.23, -6.47, 4.72) | |
| CIE LCH | lch(45.23, 8.01, 143.89) | |
| CIE XYZ | xyz(12.973, 14.705, 13.957) | |
| Decimal | 6516323 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #636E63, 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 #636E63 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.94:1 | Fail | Fail | Pass |
| Sample text | 5.33:1 | Pass | Fail | Pass |
| #636E63 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.33:1 | Pass | Fail | Pass |
| Sample text | 3.94:1 | 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 #636E63 looks to people with the most common types of color vision deficiency.
#6f6c62Protanopia
no red cones#6d6b64Deuteranopia
no green cones#626d6bTritanopia
no blue cones#6b6b6bAchromatopsia
no color vision
CSS examples
.background { background-color: #636e63; }
.text { color: #636e63; }
.border { border: 2px solid #636e63; }
.transparent { background-color: rgb(99 110 99 / 50%); }
.gradient { background: linear-gradient(to right, #636e63, #636e69); }
Similar colors
#5f6957Italian Basil#67786eCamping Trip#556962Dark Forest#5e6354Black Forest#6a6b65Armoury#6d6c5fKnit Cardigan#5f6d6eWrapped in Twilight#555d50Ebony
Questions
- What color is #636E63?
- #636E63 is a gray, closest to the named color Italian Basil. It belongs to the gray family of colors.
- What is the RGB value of #636E63?
- The RGB value is 99, 110, 99: 99 red, 110 green and 99 blue on a 0 to 255 scale.
- What is the complementary color of #636E63?
- The complementary color is #6E636E, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #636E63?
- White text. Black text has a contrast ratio of 3.94:1 and white text 5.33:1. WCAG asks for at least 4.5:1 for normal text.