#639A97 color
The hex color #639A97 is a grayish cyan.
In the RGB color model it is made of 38.8% red, 60.4% green and 59.2% blue (99, 154, 151).
Its hue angle is 177°, with 22% saturation and 50% lightness. For print, the CMYK equivalent is 36% cyan, 0% magenta, 2% yellow and 40% black.
The closest named color is Cadet Blue (#5F9EA0), a difference of 2.5 ΔE, a small difference.
Black text is the more readable choice on this background (contrast 6.6:1).
#639A97 color codes
| HEX | #639A97 | |
|---|---|---|
| RGB | rgb(99, 154, 151) | |
| RGB percent | rgb(38.8%, 60.4%, 59.2%) | |
| HSL | hsl(177, 22%, 50%) | |
| HSV / HSB | hsv(177, 36%, 60%) | |
| CMYK | cmyk(36%, 0%, 2%, 40%) | |
| CIE LAB | lab(59.89, -18.78, -4.18) | |
| CIE LCH | lch(59.89, 19.24, 192.56) | |
| CIE XYZ | xyz(22.285, 27.997, 33.502) | |
| Decimal | 6527639 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #639A97, 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 #639A97 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 6.6:1 | Pass | Fail | Pass |
| Sample text | 3.18:1 | Fail | Fail | Pass |
| #639A97 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.18:1 | Fail | Fail | Pass |
| Sample text | 6.6:1 | 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 #639A97 looks to people with the most common types of color vision deficiency.
#949597Protanopia
no red cones#8a8d98Deuteranopia
no green cones#4e9d99Tritanopia
no blue cones#909090Achromatopsia
no color vision
CSS examples
.background { background-color: #639a97; }
.text { color: #639a97; }
.border { border: 2px solid #639a97; }
.transparent { background-color: rgb(99 154 151 / 50%); }
.gradient { background: linear-gradient(to right, #639a97, #63829a); }
Similar colors
#5f9ea0Cadet Blue#57958bMartian Cerulean#67a195Emerald Oasis#4b9b93Lagoon#5ca0a7Atlas Cedar#6d9292Juniper#51a5a4Twilight Meadow#75978fYucca
Questions
- What color is #639A97?
- #639A97 is a grayish cyan, closest to the named color Cadet Blue. It belongs to the teal family of colors.
- What is the RGB value of #639A97?
- The RGB value is 99, 154, 151: 99 red, 154 green and 151 blue on a 0 to 255 scale.
- What is the complementary color of #639A97?
- The complementary color is #9A6366, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #639A97?
- Black text. Black text has a contrast ratio of 6.6:1 and white text 3.18:1. WCAG asks for at least 4.5:1 for normal text.