#51816A color

#51816A rgb(81, 129, 106)
Shades of green

The hex color #51816A is a grayish spring green.

In the RGB color model it is made of 31.8% red, 50.6% green and 41.6% blue (81, 129, 106).

Its hue angle is 151°, with 23% saturation and 41% lightness. For print, the CMYK equivalent is 37% cyan, 0% magenta, 18% yellow and 49% black.

The closest named color is Clouded Pine (#628468), a difference of 4.2 ΔE, a small difference.

Black text is the more readable choice on this background (contrast 4.7:1).

#51816A color codes

HEX#51816A
RGBrgb(81, 129, 106)
RGB percentrgb(31.8%, 50.6%, 41.6%)
HSLhsl(151, 23%, 41%)
HSV / HSBhsv(151, 37%, 51%)
CMYKcmyk(37%, 0%, 18%, 49%)
CIE LABlab(50.08, -21.77, 7.37)
CIE LCHlch(50.08, 22.99, 161.3)
CIE XYZxyz(13.844, 18.49, 16.472)
Decimal5341546
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #51816A, 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 #51816ARatioAAAAAAA large
Sample text4.7:1PassFailPass
Sample text4.47:1FailFailPass
#51816A as text onRatioAAAAAAA large
Sample text4.47:1FailFailPass
Sample text4.7:1PassFailPass

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 #51816A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #51816a; }
.text { color: #51816a; }
.border { border: 2px solid #51816a; }
.transparent { background-color: rgb(81 129 106 / 50%); }
.gradient { background: linear-gradient(to right, #51816a, #518081); }
Background
Text color
Border

Similar colors

Closest common color name: Sea Green.

Questions

What color is #51816A?
#51816A is a grayish spring green, closest to the named color Clouded Pine. It belongs to the green family of colors.
What is the RGB value of #51816A?
The RGB value is 81, 129, 106: 81 red, 129 green and 106 blue on a 0 to 255 scale.
What is the complementary color of #51816A?
The complementary color is #815168, found by rotating the hue 180° on the color wheel.
Is black or white text better on #51816A?
Black text. Black text has a contrast ratio of 4.7:1 and white text 4.47:1. WCAG asks for at least 4.5:1 for normal text.