#577B28#577B28

#577B28 is a mid, moderate yellow-green. Relative luminance 0.163; OKLCH L 53.8% C 0.119 H 129.7°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#577B28
RGB	rgb(87, 123, 40)
HSL	hsl(86, 51%, 32%)
HSV	hsv(86, 67%, 48%)
CMYK	cmyk(29.3%, 0%, 67.5%, 51.8%)
CIE-LAB	lab(47.42, -26.82, 39.89)
CIE-LCH	lch(47.42, 48.07, 123.92°)
OKLab	oklab(53.76% -0.0758 0.0913)
OKLCH	oklch(53.76% 0.119 129.7)
XYZ	xyz(11.3964, 16.3451, 4.5615)
Luminance	0.1635 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#577B28 #4C287B

analogous

#7B7628 #577B28 #2E7B28

triadic

#577B28 #28577B #7B2857

tetradic

#577B28 #287B76 #4C287B #7B282E

square

#577B28 #287B76 #4C287B #7B282E

split-complementary

#577B28 #282E7B #76287B

monochromatic

#161F0A #364D19 #577B28 #78A937 #96C856

Accessibility & contrast

On white

4.92

#577B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#577B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #577B28

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##577B28	#FFFFFF	#000000	##FFFFFF
##577B28	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#81721D

Deuteranopia (green-blind)

#7C702F

Tritanopia (blue-blind)

#59766A

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #577b28;
/* rgb */ color: rgb(87, 123, 40);
/* oklch */ color: oklch(53.8% 0.119 129.7);

Tailwind

colors: {
  custom: {
    50: '#89a166',
    500: '#577b28',
    950: '#000000',
  },
}

SCSS

$custom: #577b28;
$custom-light: #89a166;
$custom-dark: #000000;

JSON

{
  "hex": "#577b28",
  "rgb": {
    "r": 87,
    "g": 123,
    "b": 40
  },
  "hsl": {
    "h": 86.024,
    "s": 50.92,
    "l": 31.961
  },
  "oklch": {
    "l": 0.53764,
    "c": 0.11868,
    "h": 129.7
  },
  "luminance": 0.16345
}

Semantic roles & 50–950 ramp

primary

#577B28

secondary

#7952AD

accent

#4DDA8B

background

#F8F9F6

surface

#F0F2EB

border

#CBCCC6

text

#0C0F06

muted

#7D7E7A

Preview Lab

Preview with #577B28

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

Preview Lab → · Contrast checker → · Palette generator →