#647F71 color
The hex color #647F71 is a grayish green.
In the RGB color model it is made of 39.2% red, 49.8% green and 44.3% blue (100, 127, 113).
Its hue angle is 149°, with 12% saturation and 45% lightness. For print, the CMYK equivalent is 21% cyan, 0% magenta, 11% yellow and 50% black.
The closest named color is Ecological (#677F70), a difference of 1 ΔE, which is barely visible.
Black text is the more readable choice on this background (contrast 4.82:1).
#647F71 color codes
| HEX | #647F71 | |
|---|---|---|
| RGB | rgb(100, 127, 113) | |
| RGB percent | rgb(39.2%, 49.8%, 44.3%) | |
| HSL | hsl(149, 12%, 45%) | |
| HSV / HSB | hsv(149, 21%, 50%) | |
| CMYK | cmyk(21%, 0%, 11%, 50%) | |
| CIE LAB | lab(50.78, -12.78, 4.43) | |
| CIE LCH | lch(50.78, 13.53, 160.89) | |
| CIE XYZ | xyz(15.825, 19.08, 18.469) | |
| Decimal | 6586225 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #647F71, 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 #647F71 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.82:1 | Pass | Fail | Pass |
| Sample text | 4.36:1 | Fail | Fail | Pass |
| #647F71 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.36:1 | Fail | Fail | Pass |
| Sample text | 4.82:1 | 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 #647F71 looks to people with the most common types of color vision deficiency.
#7e7b70Protanopia
no red cones#797872Deuteranopia
no green cones#5f7f7bTritanopia
no blue cones#797979Achromatopsia
no color vision
CSS examples
.background { background-color: #647f71; }
.text { color: #647f71; }
.border { border: 2px solid #647f71; }
.transparent { background-color: rgb(100 127 113 / 50%); }
.gradient { background: linear-gradient(to right, #647f71, #647f7f); }
Similar colors
#677f70Ecological#678779Aloe Vera#657f7aUnderwater World#67786eCamping Trip#6f8770Thyme and Place#738276Smoke#628468Clouded Pine#747f71Camo Clay
Questions
- What color is #647F71?
- #647F71 is a grayish green, closest to the named color Ecological. It belongs to the green family of colors.
- What is the RGB value of #647F71?
- The RGB value is 100, 127, 113: 100 red, 127 green and 113 blue on a 0 to 255 scale.
- What is the complementary color of #647F71?
- The complementary color is #7F6472, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #647F71?
- Black text. Black text has a contrast ratio of 4.82:1 and white text 4.36:1. WCAG asks for at least 4.5:1 for normal text.