What color is #577B6B?

#577B6B is a grayish spring green, closest to the named color Ecological. It belongs to the green family of colors.

What is the RGB value of #577B6B?

The RGB value is 87, 123, 107: 87 red, 123 green and 107 blue on a 0 to 255 scale.

What is the complementary color of #577B6B?

The complementary color is #7B5767, found by rotating the hue 180° on the color wheel.

Is black or white text better on #577B6B?

White text. Black text has a contrast ratio of 4.45:1 and white text 4.72:1. WCAG asks for at least 4.5:1 for normal text.

#577B6B color

#577B6B rgb(87, 123, 107)

Shades of green

The hex color #577B6B is a grayish spring green.

In the RGB color model it is made of 34.1% red, 48.2% green and 42% blue (87, 123, 107).

Its hue angle is 153°, with 17% saturation and 41% lightness. For print, the CMYK equivalent is 29% cyan, 0% magenta, 13% yellow and 52% black.

The closest named color is Ecological (#677F70), a difference of 4.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 4.72:1).

#577B6B color codes

HEX	`#577B6B`
RGB	`rgb(87, 123, 107)`
RGB percent	`rgb(34.1%, 48.2%, 42%)`
HSL	`hsl(153, 17%, 41%)`
HSV / HSB	`hsv(153, 29%, 48%)`
CMYK	`cmyk(29%, 0%, 13%, 52%)`
CIE LAB	`lab(48.58, -16.41, 4.68)`
CIE LCH	`lch(48.58, 17.06, 164.09)`
CIE XYZ	`xyz(13.666, 17.253, 16.517)`
Decimal	`5733227`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #577B6B, 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 #577B6B	Ratio	AA	AAA	AA large
Sample text	4.45:1	Fail	Fail	Pass
Sample text	4.72:1	Pass	Fail	Pass

#577B6B as text on	Ratio	AA	AAA	AA large
Sample text	4.72:1	Pass	Fail	Pass
Sample text	4.45:1	Fail	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 #577B6B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #577b6b; }
.text { color: #577b6b; }
.border { border: 2px solid #577b6b; }
.transparent { background-color: rgb(87 123 107 / 50%); }
.gradient { background: linear-gradient(to right, #577b6b, #57797b); }

Background

Text color

Border

Similar colors

Closest common color name: Smoke.

Questions

What color is #577B6B?: #577B6B is a grayish spring green, closest to the named color Ecological. It belongs to the green family of colors.
What is the RGB value of #577B6B?: The RGB value is 87, 123, 107: 87 red, 123 green and 107 blue on a 0 to 255 scale.
What is the complementary color of #577B6B?: The complementary color is #7B5767, found by rotating the hue 180° on the color wheel.
Is black or white text better on #577B6B?: White text. Black text has a contrast ratio of 4.45:1 and white text 4.72:1. WCAG asks for at least 4.5:1 for normal text.