#638A63 color
The hex color #638A63 is a grayish green.
In the RGB color model it is made of 38.8% red, 54.1% green and 38.8% blue (99, 138, 99).
Its hue angle is 120°, with 16% saturation and 46% lightness. For print, the CMYK equivalent is 28% cyan, 0% magenta, 28% yellow and 46% black.
The closest named color is Kashmir (#6F8D6A), a difference of 2.8 ΔE, a small difference.
Black text is the more readable choice on this background (contrast 5.35:1).
#638A63 color codes
| HEX | #638A63 | |
|---|---|---|
| RGB | rgb(99, 138, 99) | |
| RGB percent | rgb(38.8%, 54.1%, 38.8%) | |
| HSL | hsl(120, 16%, 46%) | |
| HSV / HSB | hsv(120, 28%, 54%) | |
| CMYK | cmyk(28%, 0%, 28%, 46%) | |
| CIE LAB | lab(53.74, -21.76, 16.65) | |
| CIE LCH | lch(53.74, 27.4, 142.57) | |
| CIE XYZ | xyz(16.486, 21.73, 15.128) | |
| Decimal | 6523491 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #638A63, 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 #638A63 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.35:1 | Pass | Fail | Pass |
| Sample text | 3.93:1 | Fail | Fail | Pass |
| #638A63 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.93:1 | Fail | Fail | Pass |
| Sample text | 5.35:1 | Pass | 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 #638A63 looks to people with the most common types of color vision deficiency.
#8c8361Protanopia
no red cones#857f65Deuteranopia
no green cones#5f8880Tritanopia
no blue cones#808080Achromatopsia
no color vision
CSS examples
.background { background-color: #638a63; }
.text { color: #638a63; }
.border { border: 2px solid #638a63; }
.transparent { background-color: rgb(99 138 99 / 50%); }
.gradient { background: linear-gradient(to right, #638a63, #638a76); }
Similar colors
#6f8d6aKashmir#70916cPaying Mantis#628468Clouded Pine#559260Medusa#648251Kale#748d70Toad#738f5dFour Leaf Clover#7a8f68Crispy Crunch
Closest common color name: Sea Green.
Questions
- What color is #638A63?
- #638A63 is a grayish green, closest to the named color Kashmir. It belongs to the green family of colors.
- What is the RGB value of #638A63?
- The RGB value is 99, 138, 99: 99 red, 138 green and 99 blue on a 0 to 255 scale.
- What is the complementary color of #638A63?
- The complementary color is #8A638A, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #638A63?
- Black text. Black text has a contrast ratio of 5.35:1 and white text 3.93:1. WCAG asks for at least 4.5:1 for normal text.