#577B5B#577B5B

#577B5B is a mid, moderate green. Relative luminance 0.169; OKLCH L 54.6% C 0.064 H 147.5°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#577B5B
RGB	rgb(87, 123, 91)
HSL	hsl(127, 17%, 41%)
HSV	hsv(127, 29%, 48%)
CMYK	cmyk(29.3%, 0%, 26%, 51.8%)
CIE-LAB	lab(48.19, -19.73, 13.51)
CIE-LCH	lch(48.19, 23.91, 145.61°)
OKLab	oklab(54.64% -0.054 0.0344)
OKLCH	oklch(54.64% 0.064 147.5)
XYZ	xyz(12.9012, 16.9470, 12.4868)
Luminance	0.1695 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B5B #7B5777

analogous

#657B57 #577B5B #577B6D

triadic

#577B5B #5B577B #7B5B57

tetradic

#577B5B #57657B #7B5777 #7B6D57

square

#577B5B #57657B #7B5777 #7B6D57

split-complementary

#577B5B #6D577B #7B5765

monochromatic

#243326 #3E5740 #577B5B #739C78 #97B59A

Accessibility & contrast

On white

4.78

#577B5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#577B5B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B5B

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B5B	#FFFFFF	#000000	##FFFFFF
##577B5B	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7559

Deuteranopia (green-blind)

#76715D

Tritanopia (blue-blind)

#537972

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #577b5b;
/* rgb */ color: rgb(87, 123, 91);
/* oklch */ color: oklch(54.6% 0.064 147.5);

Tailwind

colors: {
  custom: {
    50: '#87a189',
    500: '#577b5b',
    950: '#000000',
  },
}

SCSS

$custom: #577b5b;
$custom-light: #87a189;
$custom-dark: #000000;

JSON

{
  "hex": "#577b5b",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 91
  },
  "hsl": {
    "h": 126.667,
    "s": 17.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.54637,
    "c": 0.06405,
    "h": 147.5
  },
  "luminance": 0.16947
}

Semantic roles & 50–950 ramp

primary

#577B5B

secondary

#A38AA1

accent

#6EB1BA

background

#F8F9F8

surface

#EFF2F0

border

#CACCCB

text

#0B0F0B

muted

#7C7E7C

Preview Lab

Preview with #577B5B

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

Preview Lab → · Contrast checker → · Palette generator →