#577B51#577B51

#577B51 is a mid, moderate green. Relative luminance 0.168; OKLCH L 54.4% C 0.076 H 141.0°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#577B51
RGB	rgb(87, 123, 81)
HSL	hsl(111, 21%, 40%)
HSV	hsv(111, 34%, 48%)
CMYK	cmyk(29.3%, 0%, 34.1%, 51.8%)
CIE-LAB	lab(47.99, -21.56, 19.01)
CIE-LCH	lch(47.99, 28.74, 138.60°)
OKLab	oklab(54.41% -0.0588 0.0477)
OKLCH	oklch(54.41% 0.076 141)
XYZ	xyz(12.4982, 16.7858, 10.3645)
Luminance	0.1679 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B51 #75517B

analogous

#6C7B51 #577B51 #517B60

triadic

#577B51 #51577B #7B5157

tetradic

#577B51 #516C7B #75517B #7B6051

square

#577B51 #516C7B #75517B #7B6051

split-complementary

#577B51 #60517B #7B516C

monochromatic

#233120 #3D5639 #577B51 #739E6B #96B690

Accessibility & contrast

On white

4.82

#577B51 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#577B51 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B51

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B51	#FFFFFF	#000000	##FFFFFF
##577B51	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D744E

Deuteranopia (green-blind)

#787153

Tritanopia (blue-blind)

#557870

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #577b51;
/* rgb */ color: rgb(87, 123, 81);
/* oklch */ color: oklch(54.4% 0.076 141.0);

Tailwind

colors: {
  custom: {
    50: '#87a182',
    500: '#577b51',
    950: '#000000',
  },
}

SCSS

$custom: #577b51;
$custom-light: #87a182;
$custom-dark: #000000;

JSON

{
  "hex": "#577b51",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 81
  },
  "hsl": {
    "h": 111.429,
    "s": 20.588,
    "l": 40
  },
  "oklch": {
    "l": 0.54405,
    "c": 0.07567,
    "h": 141
  },
  "luminance": 0.16786
}

Semantic roles & 50–950 ramp

primary

#577B51

secondary

#9F84A3

accent

#6BBDB1

background

#F8F9F7

surface

#F0F2EE

border

#CBCCC9

text

#0B0F0A

muted

#7C7E7C

Preview Lab

Preview with #577B51

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →