#577C66#577C66

#577C66 is a mid, muted green. Relative luminance 0.174; OKLCH L 55.2% C 0.054 H 158.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#577C66
RGB	rgb(87, 124, 102)
HSL	hsl(144, 18%, 41%)
HSV	hsv(144, 30%, 49%)
CMYK	cmyk(29.8%, 0%, 17.7%, 51.4%)
CIE-LAB	lab(48.76, -18.03, 7.88)
CIE-LCH	lch(48.76, 19.68, 156.41°)
OKLab	oklab(55.18% -0.0502 0.0203)
OKLCH	oklch(55.18% 0.054 158)
XYZ	xyz(13.5356, 17.4002, 15.2132)
Luminance	0.1740 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C66 #7C576D

analogous

#5B7C57 #577C66 #577C79

triadic

#577C66 #66577C #7C6657

tetradic

#577C66 #575B7C #7C576D #7C7957

square

#577C66 #575B7C #7C576D #7C7957

split-complementary

#577C66 #79577C #7C575B

monochromatic

#25342B #3E5848 #577C66 #739D84 #97B6A4

Accessibility & contrast

On white

4.69

#577C66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#577C66 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577C66

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C66	#FFFFFF	#000000	##FFFFFF
##577C66	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7665

Deuteranopia (green-blind)

#757267

Tritanopia (blue-blind)

#507B76

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577c66;
/* rgb */ color: rgb(87, 124, 102);
/* oklch */ color: oklch(55.2% 0.054 158.0);

Tailwind

colors: {
  custom: {
    50: '#87a291',
    500: '#577c66',
    950: '#000000',
  },
}

SCSS

$custom: #577c66;
$custom-light: #87a291;
$custom-dark: #000000;

JSON

{
  "hex": "#577c66",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 102
  },
  "hsl": {
    "h": 144.324,
    "s": 17.536,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55177,
    "c": 0.05412,
    "h": 158
  },
  "luminance": 0.17401
}

Semantic roles & 50–950 ramp

primary

#577C66

secondary

#A48B9A

accent

#6E9BBA

background

#F8F9F8

surface

#EFF2F0

border

#CACCCB

text

#0B0F0C

muted

#7C7E7D

Preview Lab

Preview with #577C66

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

Preview Lab → · Contrast checker → · Palette generator →