#577F5B#577F5B

#577F5B is a mid, moderate green. Relative luminance 0.180; OKLCH L 55.6% C 0.071 H 147.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#577F5B
RGB	rgb(87, 127, 91)
HSL	hsl(126, 19%, 42%)
HSV	hsv(126, 31%, 50%)
CMYK	cmyk(31.5%, 0%, 28.3%, 50.2%)
CIE-LAB	lab(49.45, -21.82, 15.24)
CIE-LCH	lch(49.45, 26.61, 145.08°)
OKLab	oklab(55.65% -0.0596 0.0387)
OKLCH	oklch(55.65% 0.071 147)
XYZ	xyz(13.4076, 17.9597, 12.6556)
Luminance	0.1796 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577F5B #7F577B

analogous

#677F57 #577F5B #577F6F

triadic

#577F5B #5B577F #7F5B57

tetradic

#577F5B #57677F #7F577B #7F6F57

square

#577F5B #57677F #7F577B #7F6F57

split-complementary

#577F5B #6F577F #7F5767

monochromatic

#253627 #3E5B41 #577F5B #74A078 #98B89B

Accessibility & contrast

On white

4.57

#577F5B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#577F5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #577F5B

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577F5B	#FFFFFF	#000000	##000000
##577F5B	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#807859

Deuteranopia (green-blind)

#7A745D

Tritanopia (blue-blind)

#527D75

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #577f5b;
/* rgb */ color: rgb(87, 127, 91);
/* oklch */ color: oklch(55.6% 0.071 147.0);

Tailwind

colors: {
  custom: {
    50: '#87a489',
    500: '#577f5b',
    950: '#000000',
  },
}

SCSS

$custom: #577f5b;
$custom-light: #87a489;
$custom-dark: #000000;

JSON

{
  "hex": "#577f5b",
  "rgb": {
    "r": 87,
    "g": 127,
    "b": 91
  },
  "hsl": {
    "h": 126,
    "s": 18.692,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55647,
    "c": 0.07109,
    "h": 147
  },
  "luminance": 0.1796
}

Semantic roles & 50–950 ramp

primary

#577F5B

secondary

#A68CA4

accent

#6CB3BB

background

#F8FAF8

surface

#F0F4F0

border

#CBCECB

text

#0B0F0B

muted

#7C7F7C

Preview Lab

Preview with #577F5B

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

Preview Lab → · Contrast checker → · Palette generator →