#66A3A0 color
The hex color #66A3A0 is a grayish cyan.
In the RGB color model it is made of 40% red, 63.9% green and 62.7% blue (102, 163, 160).
Its hue angle is 177°, with 25% saturation and 52% lightness. For print, the CMYK equivalent is 37% cyan, 0% magenta, 2% yellow and 36% black.
The closest named color is Cadet Blue (#5F9EA0), a difference of 2.6 ΔE, a small difference.
Black text is the more readable choice on this background (contrast 7.31:1).
#66A3A0 color codes
| HEX | #66A3A0 | |
|---|---|---|
| RGB | rgb(102, 163, 160) | |
| RGB percent | rgb(40%, 63.9%, 62.7%) | |
| HSL | hsl(177, 25%, 52%) | |
| HSV / HSB | hsv(177, 37%, 64%) | |
| CMYK | cmyk(37%, 0%, 2%, 36%) | |
| CIE LAB | lab(62.97, -20.39, -4.68) | |
| CIE LCH | lch(62.97, 20.92, 192.94) | |
| CIE XYZ | xyz(24.92, 31.556, 38.029) | |
| Decimal | 6726560 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #66A3A0, 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 #66A3A0 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.31:1 | Pass | Pass | Pass |
| Sample text | 2.87:1 | Fail | Fail | Fail |
| #66A3A0 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.87:1 | Fail | Fail | Fail |
| Sample text | 7.31:1 | Pass | Pass | 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 #66A3A0 looks to people with the most common types of color vision deficiency.
#9c9da0Protanopia
no red cones#9195a1Deuteranopia
no green cones#4ea6a2Tritanopia
no blue cones#989898Achromatopsia
no color vision
CSS examples
.background { background-color: #66a3a0; }
.text { color: #66a3a0; }
.border { border: 2px solid #66a3a0; }
.transparent { background-color: rgb(102 163 160 / 50%); }
.gradient { background: linear-gradient(to right, #66a3a0, #6688a3); }
Similar colors
#5f9ea0Cadet Blue#5aa7a0Paradise Island#51a5a4Twilight Meadow#67a195Emerald Oasis#6dafa7Turquoise Fantasies#5ca0a7Atlas Cedar#4b9b93Lagoon#57958bMartian Cerulean
Questions
- What color is #66A3A0?
- #66A3A0 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 #66A3A0?
- The RGB value is 102, 163, 160: 102 red, 163 green and 160 blue on a 0 to 255 scale.
- What is the complementary color of #66A3A0?
- The complementary color is #A36669, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #66A3A0?
- Black text. Black text has a contrast ratio of 7.31:1 and white text 2.87:1. WCAG asks for at least 4.5:1 for normal text.