#51817A color
The hex color #51817A is a grayish spring green.
In the RGB color model it is made of 31.8% red, 50.6% green and 47.8% blue (81, 129, 122).
Its hue angle is 171°, with 23% saturation and 41% lightness. For print, the CMYK equivalent is 37% cyan, 0% magenta, 5% yellow and 49% black.
The closest named color is Turquoise Tortoise (#457B74), a difference of 2.9 ΔE, a small difference.
Black text is the more readable choice on this background (contrast 4.77:1).
#51817A color codes
| HEX | #51817A | |
|---|---|---|
| RGB | rgb(81, 129, 122) | |
| RGB percent | rgb(31.8%, 50.6%, 47.8%) | |
| HSL | hsl(171, 23%, 41%) | |
| HSV / HSB | hsv(171, 37%, 51%) | |
| CMYK | cmyk(37%, 0%, 5%, 49%) | |
| CIE LAB | lab(50.52, -17.98, -1.36) | |
| CIE LCH | lch(50.52, 18.04, 184.34) | |
| CIE XYZ | xyz(14.755, 18.854, 21.27) | |
| Decimal | 5341562 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #51817A, 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 #51817A | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.77:1 | Pass | Fail | Pass |
| Sample text | 4.4:1 | Fail | Fail | Pass |
| #51817A as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 4.4:1 | Fail | Fail | Pass |
| Sample text | 4.77:1 | 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 #51817A looks to people with the most common types of color vision deficiency.
#7d7c7aProtanopia
no red cones#74767bDeuteranopia
no green cones#40837fTritanopia
no blue cones#787878Achromatopsia
no color vision
CSS examples
.background { background-color: #51817a; }
.text { color: #51817a; }
.border { border: 2px solid #51817a; }
.transparent { background-color: rgb(81 129 122 / 50%); }
.gradient { background: linear-gradient(to right, #51817a, #517081); }
Similar colors
#457b74Turquoise Tortoise#447777Tropical Rain#488084Paradiso#377b70Pearl Green#5e7e7dStream Burble#678779Aloe Vera#4a7d82Submerged#39766cGreen Sleeves
Closest common color name: Teal.
Questions
- What color is #51817A?
- #51817A is a grayish spring green, closest to the named color Turquoise Tortoise. It belongs to the teal family of colors.
- What is the RGB value of #51817A?
- The RGB value is 81, 129, 122: 81 red, 129 green and 122 blue on a 0 to 255 scale.
- What is the complementary color of #51817A?
- The complementary color is #815158, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #51817A?
- Black text. Black text has a contrast ratio of 4.77:1 and white text 4.4:1. WCAG asks for at least 4.5:1 for normal text.