#577B64#577B64

#577B64 is a mid, muted green. Relative luminance 0.171; OKLCH L 54.9% C 0.054 H 156.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#577B64
RGB	rgb(87, 123, 100)
HSL	hsl(142, 17%, 41%)
HSV	hsv(142, 29%, 48%)
CMYK	cmyk(29.3%, 0%, 18.7%, 51.8%)
CIE-LAB	lab(48.40, -17.92, 8.54)
CIE-LCH	lch(48.40, 19.85, 154.53°)
OKLab	oklab(54.87% -0.0497 0.022)
OKLCH	oklch(54.87% 0.054 156.1)
XYZ	xyz(13.3130, 17.1117, 14.6555)
Luminance	0.1711 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B64 #7B576E

analogous

#5C7B57 #577B64 #577B76

triadic

#577B64 #64577B #7B6457

tetradic

#577B64 #575C7B #7B576E #7B7657

square

#577B64 #575C7B #7B576E #7B7657

split-complementary

#577B64 #76577B #7B575C

monochromatic

#24332A #3E5747 #577B64 #739C82 #97B5A2

Accessibility & contrast

On white

4.75

#577B64 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#577B64 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B64

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B64	#FFFFFF	#000000	##FFFFFF
##577B64	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7563

Deuteranopia (green-blind)

#757165

Tritanopia (blue-blind)

#517A74

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577b64;
/* rgb */ color: rgb(87, 123, 100);
/* oklch */ color: oklch(54.9% 0.054 156.1);

Tailwind

colors: {
  custom: {
    50: '#87a190',
    500: '#577b64',
    950: '#000000',
  },
}

SCSS

$custom: #577b64;
$custom-light: #87a190;
$custom-dark: #000000;

JSON

{
  "hex": "#577b64",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 100
  },
  "hsl": {
    "h": 141.667,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.54872,
    "c": 0.05435,
    "h": 156.1
  },
  "luminance": 0.17112
}

Semantic roles & 50–950 ramp

primary

#577B64

secondary

#A38A9A

accent

#6E9EBA

background

#F8F9F8

surface

#EFF2F0

border

#CACCCB

text

#0B0F0C

muted

#7C7E7D

Preview Lab

Preview with #577B64

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

Preview Lab → · Contrast checker → · Palette generator →