#577B31#577B31

#577B31 is a mid, moderate yellow-green. Relative luminance 0.164; OKLCH L 53.9% C 0.111 H 131.0°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#577B31
RGB	rgb(87, 123, 49)
HSL	hsl(89, 43%, 34%)
HSV	hsv(89, 60%, 48%)
CMYK	cmyk(29.3%, 0%, 60.2%, 51.8%)
CIE-LAB	lab(47.51, -25.98, 35.74)
CIE-LCH	lch(47.51, 44.18, 126.01°)
OKLab	oklab(53.86% -0.0727 0.0836)
OKLCH	oklch(53.86% 0.111 131)
XYZ	xyz(11.5677, 16.4136, 5.4638)
Luminance	0.1641 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B31 #55317B

analogous

#7B7A31 #577B31 #327B31

triadic

#577B31 #31577B #7B3157

tetradic

#577B31 #317B7A #55317B #7B3132

square

#577B31 #317B7A #55317B #7B3132

split-complementary

#577B31 #31327B #7A317B

monochromatic

#19230E #384F20 #577B31 #76A742 #94C265

Accessibility & contrast

On white

4.90

#577B31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#577B31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B31

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B31	#FFFFFF	#000000	##FFFFFF
##577B31	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#807229

Deuteranopia (green-blind)

#7B7036

Tritanopia (blue-blind)

#59766B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #577b31;
/* rgb */ color: rgb(87, 123, 49);
/* oklch */ color: oklch(53.9% 0.111 131.0);

Tailwind

colors: {
  custom: {
    50: '#89a16c',
    500: '#577b31',
    950: '#000000',
  },
}

SCSS

$custom: #577b31;
$custom-light: #89a16c;
$custom-dark: #000000;

JSON

{
  "hex": "#577b31",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 49
  },
  "hsl": {
    "h": 89.189,
    "s": 43.023,
    "l": 33.725
  },
  "oklch": {
    "l": 0.53864,
    "c": 0.11076,
    "h": 131
  },
  "luminance": 0.16414
}

Semantic roles & 50–950 ramp

primary

#577B31

secondary

#835FA9

accent

#55D392

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0F07

muted

#7D7E7A

Preview Lab

Preview with #577B31

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

Preview Lab → · Contrast checker → · Palette generator →