#66817E color
The hex color #66817E is a grayish spring green.
In the RGB color model it is made of 40% red, 50.6% green and 49.4% blue (102, 129, 126).
Its hue angle is 173°, with 12% saturation and 45% lightness. For print, the CMYK equivalent is 21% cyan, 0% magenta, 2% yellow and 49% black.
The closest named color is Underwater World (#657F7A), a difference of 1.3 ΔE, which is barely visible.
Black text is the more readable choice on this background (contrast 5.01:1).
#66817E color codes
| HEX | #66817E | |
|---|---|---|
| RGB | rgb(102, 129, 126) | |
| RGB percent | rgb(40%, 50.6%, 49.4%) | |
| HSL | hsl(173, 12%, 45%) | |
| HSV / HSB | hsv(173, 21%, 51%) | |
| CMYK | cmyk(21%, 0%, 2%, 49%) | |
| CIE LAB | lab(51.87, -10.32, -1.57) | |
| CIE LCH | lch(51.87, 10.44, 188.65) | |
| CIE XYZ | xyz(17.095, 20.031, 22.7) | |
| Decimal | 6717822 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #66817E, 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 #66817E | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 5.01:1 | Pass | Fail | Pass |
| Sample text | 4.19:1 | Fail | Fail | Pass |
| #66817E as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.19:1 | Fail | Fail | Pass |
| Sample text | 5.01:1 | 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 #66817E looks to people with the most common types of color vision deficiency.
#7e7e7eProtanopia
no red cones#797a7eDeuteranopia
no green cones#5e8280Tritanopia
no blue cones#7c7c7cAchromatopsia
no color vision
CSS examples
.background { background-color: #66817e; }
.text { color: #66817e; }
.border { border: 2px solid #66817e; }
.transparent { background-color: rgb(102 129 126 / 50%); }
.gradient { background: linear-gradient(to right, #66817e, #667681); }
Similar colors
#657f7aUnderwater World#5e7e7dStream Burble#648589Arctic#6b7f81Blue Blood#698589Thundercloud#74857fArmour#5e7b7fNorth Atlantic#6e8082Stormy Sea
Closest common color name: Smoke.
Questions
- What color is #66817E?
- #66817E is a grayish spring green, closest to the named color Underwater World. It belongs to the gray family of colors.
- What is the RGB value of #66817E?
- The RGB value is 102, 129, 126: 102 red, 129 green and 126 blue on a 0 to 255 scale.
- What is the complementary color of #66817E?
- The complementary color is #816669, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #66817E?
- Black text. Black text has a contrast ratio of 5.01:1 and white text 4.19:1. WCAG asks for at least 4.5:1 for normal text.