#577D63#577D63

#577D63 is a mid, muted green. Relative luminance 0.176; OKLCH L 55.3% C 0.059 H 154.2°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#577D63
RGB	rgb(87, 125, 99)
HSL	hsl(139, 18%, 42%)
HSV	hsv(139, 30%, 49%)
CMYK	cmyk(30.4%, 0%, 20.8%, 51%)
CIE-LAB	lab(49.00, -19.19, 9.97)
CIE-LCH	lch(49.00, 21.63, 152.55°)
OKLab	oklab(55.35% -0.053 0.0256)
OKLCH	oklch(55.35% 0.059 154.2)
XYZ	xyz(13.5155, 17.5937, 14.4858)
Luminance	0.1759 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D63 #7D5771

analogous

#5E7D57 #577D63 #577D76

triadic

#577D63 #63577D #7D6357

tetradic

#577D63 #575E7D #7D5771 #7D7657

square

#577D63 #575E7D #7D5771 #7D7657

split-complementary

#577D63 #76577D #7D575E

monochromatic

#25352A #3E5946 #577D63 #739E81 #97B7A1

Accessibility & contrast

On white

4.65

#577D63 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#577D63 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577D63

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D63	#FFFFFF	#000000	##FFFFFF
##577D63	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D7762

Deuteranopia (green-blind)

#777364

Tritanopia (blue-blind)

#517C76

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577d63;
/* rgb */ color: rgb(87, 125, 99);
/* oklch */ color: oklch(55.3% 0.059 154.2);

Tailwind

colors: {
  custom: {
    50: '#87a38f',
    500: '#577d63',
    950: '#000000',
  },
}

SCSS

$custom: #577d63;
$custom-light: #87a38f;
$custom-dark: #000000;

JSON

{
  "hex": "#577d63",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 99
  },
  "hsl": {
    "h": 138.947,
    "s": 17.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55345,
    "c": 0.05888,
    "h": 154.2
  },
  "luminance": 0.17594
}

Semantic roles & 50–950 ramp

primary

#577D63

secondary

#A58B9D

accent

#6DA2BB

background

#F8FAF8

surface

#EFF3F0

border

#CACDCB

text

#0B0F0C

muted

#7C7F7D

Preview Lab

Preview with #577D63

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

Preview Lab → · Contrast checker → · Palette generator →