#577C63#577C63

#577C63 is a mid, muted green. Relative luminance 0.173; OKLCH L 55.1% C 0.057 H 154.6°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#577C63
RGB	rgb(87, 124, 99)
HSL	hsl(139, 18%, 41%)
HSV	hsv(139, 30%, 49%)
CMYK	cmyk(29.8%, 0%, 20.2%, 51.4%)
CIE-LAB	lab(48.69, -18.66, 9.53)
CIE-LCH	lch(48.69, 20.96, 152.95°)
OKLab	oklab(55.1% -0.0516 0.0245)
OKLCH	oklch(55.1% 0.057 154.6)
XYZ	xyz(13.3895, 17.3418, 14.4438)
Luminance	0.1734 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577C63 #7C5770

analogous

#5E7C57 #577C63 #577C76

triadic

#577C63 #63577C #7C6357

tetradic

#577C63 #575E7C #7C5770 #7C7657

square

#577C63 #575E7C #7C5770 #7C7657

split-complementary

#577C63 #76577C #7C575E

monochromatic

#25342A #3E5846 #577C63 #739D81 #97B6A1

Accessibility & contrast

On white

4.70

#577C63 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#577C63 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577C63

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577C63	#FFFFFF	#000000	##FFFFFF
##577C63	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)

#7C7662

Deuteranopia (green-blind)

#767264

Tritanopia (blue-blind)

#517B75

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #577c63;
/* rgb */ color: rgb(87, 124, 99);
/* oklch */ color: oklch(55.1% 0.057 154.6);

Tailwind

colors: {
  custom: {
    50: '#87a28f',
    500: '#577c63',
    950: '#000000',
  },
}

SCSS

$custom: #577c63;
$custom-light: #87a28f;
$custom-dark: #000000;

JSON

{
  "hex": "#577c63",
  "rgb": {
    "r": 87,
    "g": 124,
    "b": 99
  },
  "hsl": {
    "h": 139.459,
    "s": 17.536,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55095,
    "c": 0.05712,
    "h": 154.6
  },
  "luminance": 0.17342
}

Semantic roles & 50–950 ramp

primary

#577C63

secondary

#A48B9C

accent

#6EA1BA

background

#F8F9F8

surface

#EFF2F0

border

#CACCCB

text

#0B0F0C

muted

#7C7E7D

Preview Lab

Preview with #577C63

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

Preview Lab → · Contrast checker → · Palette generator →