#636C58 color
The hex color #636C58 is a grayish yellow-green.
In the RGB color model it is made of 38.8% red, 42.4% green and 34.5% blue (99, 108, 88).
Its hue angle is 87°, with 10% saturation and 38% lightness. For print, the CMYK equivalent is 8% cyan, 0% magenta, 19% yellow and 58% black.
The closest named color is Italian Basil (#5F6957), a difference of 1.5 ΔE, which is barely visible.
White text is the more readable choice on this background (contrast 5.5:1).
#636C58 color codes
| HEX | #636C58 | |
|---|---|---|
| RGB | rgb(99, 108, 88) | |
| RGB percent | rgb(38.8%, 42.4%, 34.5%) | |
| HSL | hsl(87, 10%, 38%) | |
| HSV / HSB | hsv(87, 19%, 42%) | |
| CMYK | cmyk(8%, 0%, 19%, 58%) | |
| CIE LAB | lab(44.35, -7.44, 10.06) | |
| CIE LCH | lch(44.35, 12.51, 126.48) | |
| CIE XYZ | xyz(12.269, 14.082, 11.302) | |
| Decimal | 6515800 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #636C58, 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 #636C58 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.82:1 | Fail | Fail | Pass |
| Sample text | 5.5:1 | Pass | Fail | Pass |
| #636C58 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.5:1 | Pass | Fail | Pass |
| Sample text | 3.82:1 | 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 #636C58 looks to people with the most common types of color vision deficiency.
#6e6957Protanopia
no red cones#6d6959Deuteranopia
no green cones#646a66Tritanopia
no blue cones#696969Achromatopsia
no color vision
CSS examples
.background { background-color: #636c58; }
.text { color: #636c58; }
.border { border: 2px solid #636c58; }
.transparent { background-color: rgb(99 108 88 / 50%); }
.gradient { background: linear-gradient(to right, #636c58, #596c58); }
Similar colors
#5f6957Italian Basil#616c51Hinterland#5f674bMonstera#5e6354Black Forest#5b6f55Cactus#6b6d4eHerbal Whispers#666a47Bancha#595d45Tree of Life
Closest common color name: Ebony.
Questions
- What color is #636C58?
- #636C58 is a grayish yellow-green, closest to the named color Italian Basil. It belongs to the gray family of colors.
- What is the RGB value of #636C58?
- The RGB value is 99, 108, 88: 99 red, 108 green and 88 blue on a 0 to 255 scale.
- What is the complementary color of #636C58?
- The complementary color is #61586C, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #636C58?
- White text. Black text has a contrast ratio of 3.82:1 and white text 5.5:1. WCAG asks for at least 4.5:1 for normal text.