#577C64#577C64

#577C64 is a mid, muted green. Relative luminance 0.174; OKLCH L 55.1% C 0.056 H 155.7°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#577C64
RGB	rgb(87, 124, 100)
HSL	hsl(141, 18%, 41%)
HSV	hsv(141, 30%, 49%)
CMYK	cmyk(29.8%, 0%, 19.4%, 51.4%)
CIE-LAB	lab(48.71, -18.46, 8.98)
CIE-LCH	lch(48.71, 20.52, 154.06°)
OKLab	oklab(55.12% -0.0511 0.0231)
OKLCH	oklch(55.12% 0.056 155.7)
XYZ	xyz(13.4376, 17.3611, 14.6971)
Luminance	0.1736 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C64 #7C576F

analogous

#5D7C57 #577C64 #577C77

triadic

#577C64 #64577C #7C6457

tetradic

#577C64 #575D7C #7C576F #7C7757

square

#577C64 #575D7C #7C576F #7C7757

split-complementary

#577C64 #77577C #7C575D

monochromatic

#25342A #3E5847 #577C64 #739D82 #97B6A2

Accessibility & contrast

On white

4.70

#577C64 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#577C64 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577C64

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C64	#FFFFFF	#000000	##FFFFFF
##577C64	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7663

Deuteranopia (green-blind)

#757265

Tritanopia (blue-blind)

#517B75

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577c64;
/* rgb */ color: rgb(87, 124, 100);
/* oklch */ color: oklch(55.1% 0.056 155.7);

Tailwind

colors: {
  custom: {
    50: '#87a290',
    500: '#577c64',
    950: '#000000',
  },
}

SCSS

$custom: #577c64;
$custom-light: #87a290;
$custom-dark: #000000;

JSON

{
  "hex": "#577c64",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 100
  },
  "hsl": {
    "h": 141.081,
    "s": 17.536,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55122,
    "c": 0.05611,
    "h": 155.7
  },
  "luminance": 0.17362
}

Semantic roles & 50–950 ramp

primary

#577C64

secondary

#A48B9B

accent

#6E9FBA

background

#F8F9F8

surface

#EFF2F0

border

#CACCCB

text

#0B0F0C

muted

#7C7E7D

Preview Lab

Preview with #577C64

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

Preview Lab → · Contrast checker → · Palette generator →