#578B1F#578B1F

#578B1F is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 57.9% C 0.146 H 132.4°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#578B1F
RGB	rgb(87, 139, 31)
HSL	hsl(89, 64%, 33%)
HSV	hsv(89, 78%, 55%)
CMYK	cmyk(37.4%, 0%, 77.7%, 45.5%)
CIE-LAB	lab(52.50, -34.95, 48.63)
CIE-LCH	lch(52.50, 59.88, 125.71°)
OKLab	oklab(57.88% -0.0987 0.1083)
OKLCH	oklch(57.88% 0.147 132.4)
XYZ	xyz(13.4103, 20.5898, 4.5637)
Luminance	0.2059 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578B1F #531F8B

analogous

#8B891F #578B1F #218B1F

triadic

#578B1F #1F578B #8B1F57

tetradic

#578B1F #1F8B89 #531F8B #8B1F21

square

#578B1F #1F8B89 #531F8B #8B1F21

split-complementary

#578B1F #1F218B #891F8B

monochromatic

#182709 #385914 #578B1F #76BD2A #95D74D

Accessibility & contrast

On white

4.10

#578B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#578B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578B1F

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578B1F	#FFFFFF	#000000	##000000
##578B1F	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918005

Deuteranopia (green-blind)

#8A7C2A

Tritanopia (blue-blind)

#588577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #578b1f;
/* rgb */ color: rgb(87, 139, 31);
/* oklch */ color: oklch(57.9% 0.146 132.4);

Tailwind

colors: {
  custom: {
    50: '#8bad63',
    500: '#578b1f',
    950: '#000000',
  },
}

SCSS

$custom: #578b1f;
$custom-light: #8bad63;
$custom-dark: #000000;

JSON

{
  "hex": "#578b1f",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 31
  },
  "hsl": {
    "h": 88.889,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.57877,
    "c": 0.1465,
    "h": 132.4
  },
  "luminance": 0.2059
}

Semantic roles & 50–950 ramp

primary

#578B1F

secondary

#814CBA

accent

#41E791

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #578B1F

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

Preview Lab → · Contrast checker → · Palette generator →