#577A66 color

#577A66 rgb(87, 122, 102)
Shades of green

The hex color #577A66 is a grayish green.

In the RGB color model it is made of 34.1% red, 47.8% green and 40% blue (87, 122, 102).

Its hue angle is 146°, with 17% saturation and 41% lightness. For print, the CMYK equivalent is 29% cyan, 0% magenta, 16% yellow and 52% black.

The closest named color is Ecological (#677F70), a difference of 4.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 4.79:1).

#577A66 color codes

HEX#577A66
RGBrgb(87, 122, 102)
RGB percentrgb(34.1%, 47.8%, 40%)
HSLhsl(146, 17%, 41%)
HSV / HSBhsv(146, 29%, 48%)
CMYKcmyk(29%, 0%, 16%, 52%)
CIE LABlab(48.14, -16.96, 6.99)
CIE LCHlch(48.14, 18.34, 157.6)
CIE XYZxyz(13.288, 16.904, 15.13)
Decimal5732966
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #577A66, 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 #577A66RatioAAAAAAA large
Sample text4.38:1FailFailPass
Sample text4.79:1PassFailPass
#577A66 as text onRatioAAAAAAA large
Sample text4.79:1PassFailPass
Sample text4.38:1FailFailPass

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 #577A66 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #577a66; }
.text { color: #577a66; }
.border { border: 2px solid #577a66; }
.transparent { background-color: rgb(87 122 102 / 50%); }
.gradient { background: linear-gradient(to right, #577a66, #577a78); }
Background
Text color
Border

Similar colors

Closest common color name: Smoke.

Questions

What color is #577A66?
#577A66 is a grayish green, closest to the named color Ecological. It belongs to the green family of colors.
What is the RGB value of #577A66?
The RGB value is 87, 122, 102: 87 red, 122 green and 102 blue on a 0 to 255 scale.
What is the complementary color of #577A66?
The complementary color is #7A576B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #577A66?
White text. Black text has a contrast ratio of 4.38:1 and white text 4.79:1. WCAG asks for at least 4.5:1 for normal text.