#51A5A1 color
The hex color #51A5A1 is a desaturated cyan.
In the RGB color model it is made of 31.8% red, 64.7% green and 63.1% blue (81, 165, 161).
Its hue angle is 177°, with 34% saturation and 48% lightness. For print, the CMYK equivalent is 51% cyan, 0% magenta, 2% yellow and 35% black.
The closest named color is Twilight Meadow (#51A5A4), a difference of 1.2 ΔE, which is barely visible.
Black text is the more readable choice on this background (contrast 7.25:1).
#51A5A1 color codes
| HEX | #51A5A1 | |
|---|---|---|
| RGB | rgb(81, 165, 161) | |
| RGB percent | rgb(31.8%, 64.7%, 63.1%) | |
| HSL | hsl(177, 34%, 48%) | |
| HSV / HSB | hsv(177, 51%, 65%) | |
| CMYK | cmyk(51%, 0%, 2%, 35%) | |
| CIE LAB | lab(62.7, -26.4, -5.75) | |
| CIE LCH | lch(62.7, 27.02, 192.28) | |
| CIE XYZ | xyz(23.279, 31.231, 38.513) | |
| Decimal | 5350817 | |
| Short hex | None (no 3-digit form) |
Color harmonies
Colors that go with #51A5A1, 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 #51A5A1 | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 7.25:1 | Pass | Pass | Pass |
| Sample text | 2.9:1 | Fail | Fail | Fail |
| #51A5A1 as text on | Ratio | AA | AAA | AA large |
|---|---|---|---|---|
| Sample text | 2.9:1 | Fail | Fail | Fail |
| Sample text | 7.25:1 | 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 #51A5A1 looks to people with the most common types of color vision deficiency.
#9d9ea1Protanopia
no red cones#8f93a2Deuteranopia
no green cones#1ba9a4Tritanopia
no blue cones#989898Achromatopsia
no color vision
CSS examples
.background { background-color: #51a5a1; }
.text { color: #51a5a1; }
.border { border: 2px solid #51a5a1; }
.transparent { background-color: rgb(81 165 161 / 50%); }
.gradient { background: linear-gradient(to right, #51a5a1, #517fa5); }
Similar colors
#51a5a4Twilight Meadow#5aa7a0Paradise Island#4b9b93Lagoon#11a39eSilken Jade#5f9ea0Cadet Blue#43b3aeVerdigris#279d9fBaltic#0daca7Teal Me No Lies
Questions
- What color is #51A5A1?
- #51A5A1 is a desaturated cyan, closest to the named color Twilight Meadow. It belongs to the teal family of colors.
- What is the RGB value of #51A5A1?
- The RGB value is 81, 165, 161: 81 red, 165 green and 161 blue on a 0 to 255 scale.
- What is the complementary color of #51A5A1?
- The complementary color is #A55155, found by rotating the hue 180° on the color wheel.
- Is black or white text better on #51A5A1?
- Black text. Black text has a contrast ratio of 7.25:1 and white text 2.9:1. WCAG asks for at least 4.5:1 for normal text.