#577B63#577B63

#577B63 is a mid, muted green. Relative luminance 0.171; OKLCH L 54.8% C 0.055 H 155.0°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#577B63
RGB	rgb(87, 123, 99)
HSL	hsl(140, 17%, 41%)
HSV	hsv(140, 29%, 48%)
CMYK	cmyk(29.3%, 0%, 19.5%, 51.8%)
CIE-LAB	lab(48.38, -18.13, 9.09)
CIE-LCH	lch(48.38, 20.28, 153.37°)
OKLab	oklab(54.84% -0.0502 0.0234)
OKLCH	oklch(54.84% 0.055 155)
XYZ	xyz(13.2649, 17.0924, 14.4022)
Luminance	0.1709 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B63 #7B576F

analogous

#5D7B57 #577B63 #577B75

triadic

#577B63 #63577B #7B6357

tetradic

#577B63 #575D7B #7B576F #7B7557

square

#577B63 #575D7B #7B576F #7B7557

split-complementary

#577B63 #75577B #7B575D

monochromatic

#243329 #3E5746 #577B63 #739C81 #97B5A1

Accessibility & contrast

On white

4.75

#577B63 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#577B63 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B63

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B63	#FFFFFF	#000000	##FFFFFF
##577B63	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)

#7B7562

Deuteranopia (green-blind)

#757164

Tritanopia (blue-blind)

#517A74

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #577b63;
/* rgb */ color: rgb(87, 123, 99);
/* oklch */ color: oklch(54.8% 0.055 155.0);

Tailwind

colors: {
  custom: {
    50: '#87a18f',
    500: '#577b63',
    950: '#000000',
  },
}

SCSS

$custom: #577b63;
$custom-light: #87a18f;
$custom-dark: #000000;

JSON

{
  "hex": "#577b63",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 99
  },
  "hsl": {
    "h": 140,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.54844,
    "c": 0.05537,
    "h": 155
  },
  "luminance": 0.17093
}

Semantic roles & 50–950 ramp

primary

#577B63

secondary

#A38A9B

accent

#6EA1BA

background

#F8F9F8

surface

#EFF2F0

border

#CACCCB

text

#0B0F0C

muted

#7C7E7D

Preview Lab

Preview with #577B63

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

Preview Lab → · Contrast checker → · Palette generator →