#669C9B color
The hex color #669C9B is a grayish cyan.
In the RGB color model it is made of 40% red, 61.2% green and 60.8% blue (102, 156, 155).
Its hue angle is 179°, with 21% saturation and 51% lightness. For print, the CMYK equivalent is 35% cyan, 0% magenta, 1% yellow and 39% black.
The closest named color is Cadet Blue (#5F9EA0), a difference of 1.8 ΔE, which is barely visible.
Black text is the more readable choice on this background (contrast 6.79:1).
#669C9B color codes
| HEX | #669C9B | |
|---|---|---|
| RGB | rgb(102, 156, 155) | |
| RGB percent | rgb(40%, 61.2%, 60.8%) | |
| HSL | hsl(179, 21%, 51%) | |
| HSV / HSB | hsv(179, 35%, 61%) | |
| CMYK | cmyk(35%, 0%, 1%, 39%) | |
| CIE LAB | lab(60.75, -17.98, -5.15) | |
| CIE LCH | lch(60.75, 18.71, 195.98) | |
| CIE XYZ | xyz(23.282, 28.967, 35.368) | |
| Decimal | 6724763 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #669C9B, 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 #669C9B | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 6.79:1 | Pass | Fail | Pass |
| Sample text | 3.09:1 | Fail | Fail | Pass |
| #669C9B as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 3.09:1 | Fail | Fail | Pass |
| Sample text | 6.79:1 | 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 #669C9B looks to people with the most common types of color vision deficiency.
#96979bProtanopia
no red cones#8b8f9cDeuteranopia
no green cones#519f9bTritanopia
no blue cones#939393Achromatopsia
no color vision
CSS examples
.background { background-color: #669c9b; }
.text { color: #669c9b; }
.border { border: 2px solid #669c9b; }
.transparent { background-color: rgb(102 156 155 / 50%); }
.gradient { background: linear-gradient(to right, #669c9b, #66829c); }
Similar colors
#5f9ea0Cadet Blue#5ca0a7Atlas Cedar#6d9292Juniper#51a5a4Twilight Meadow#67a195Emerald Oasis#75978fYucca#5aa7a0Paradise Island#57958bMartian Cerulean
Questions
- What color is #669C9B?
- #669C9B 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 #669C9B?
- The RGB value is 102, 156, 155: 102 red, 156 green and 155 blue on a 0 to 255 scale.
- What is the complementary color of #669C9B?
- The complementary color is #9C6667, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #669C9B?
- Black text. Black text has a contrast ratio of 6.79:1 and white text 3.09:1. WCAG asks for at least 4.5:1 for normal text.