#577D66#577D66

#577D66 is a mid, muted green. Relative luminance 0.177; OKLCH L 55.4% C 0.056 H 157.4°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#577D66
RGB	rgb(87, 125, 102)
HSL	hsl(144, 18%, 42%)
HSV	hsv(144, 30%, 49%)
CMYK	cmyk(30.4%, 0%, 18.4%, 51%)
CIE-LAB	lab(49.07, -18.57, 8.32)
CIE-LCH	lch(49.07, 20.34, 155.87°)
OKLab	oklab(55.43% -0.0516 0.0214)
OKLCH	oklch(55.43% 0.056 157.4)
XYZ	xyz(13.6616, 17.6522, 15.2552)
Luminance	0.1765 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577D66 #7D576E

analogous

#5B7D57 #577D66 #577D79

triadic

#577D66 #66577D #7D6657

tetradic

#577D66 #575B7D #7D576E #7D7957

square

#577D66 #575B7D #7D576E #7D7957

split-complementary

#577D66 #79577D #7D575B

monochromatic

#25352B #3E5949 #577D66 #739E84 #97B7A4

Accessibility & contrast

On white

4.64

#577D66 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#577D66 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #577D66

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577D66	#FFFFFF	#000000	##FFFFFF
##577D66	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7765

Deuteranopia (green-blind)

#767367

Tritanopia (blue-blind)

#507C76

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #577d66;
/* rgb */ color: rgb(87, 125, 102);
/* oklch */ color: oklch(55.4% 0.056 157.4);

Tailwind

colors: {
  custom: {
    50: '#87a291',
    500: '#577d66',
    950: '#000000',
  },
}

SCSS

$custom: #577d66;
$custom-light: #87a291;
$custom-dark: #000000;

JSON

{
  "hex": "#577d66",
  "rgb": {
    "r": 87,
    "g": 125,
    "b": 102
  },
  "hsl": {
    "h": 143.684,
    "s": 17.925,
    "l": 41.569
  },
  "oklch": {
    "l": 0.55427,
    "c": 0.05585,
    "h": 157.4
  },
  "luminance": 0.17653
}

Semantic roles & 50–950 ramp

primary

#577D66

secondary

#A58B9B

accent

#6D9CBB

background

#F8FAF8

surface

#EFF3F0

border

#CACDCB

text

#0B0F0C

muted

#7C7F7D

Preview Lab

Preview with #577D66

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

Preview Lab → · Contrast checker → · Palette generator →