#578B1B#578B1B

#578B1B is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 57.9% C 0.149 H 132.1°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#578B1B
RGB	rgb(87, 139, 27)
HSL	hsl(88, 67%, 33%)
HSV	hsv(88, 81%, 55%)
CMYK	cmyk(37.4%, 0%, 80.6%, 45.5%)
CIE-LAB	lab(52.48, -35.18, 49.94)
CIE-LCH	lch(52.48, 61.08, 125.16°)
OKLab	oklab(57.85% -0.0996 0.1104)
OKLCH	oklch(57.85% 0.149 132.1)
XYZ	xyz(13.3608, 20.5700, 4.3031)
Luminance	0.2057 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578B1B #4F1B8B

analogous

#8B871B #578B1B #1F8B1B

triadic

#578B1B #1B578B #8B1B57

tetradic

#578B1B #1B8B87 #4F1B8B #8B1B1F

square

#578B1B #1B8B87 #4F1B8B #8B1B1F

split-complementary

#578B1B #1B1F8B #871B8B

monochromatic

#172507 #375811 #578B1B #77BE25 #96DB45

Accessibility & contrast

On white

4.11

#578B1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#578B1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578B1B

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578B1B	#FFFFFF	#000000	##000000
##578B1B	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918000

Deuteranopia (green-blind)

#8A7C27

Tritanopia (blue-blind)

#588576

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #578b1b;
/* rgb */ color: rgb(87, 139, 27);
/* oklch */ color: oklch(57.9% 0.149 132.1);

Tailwind

colors: {
  custom: {
    50: '#8bad62',
    500: '#578b1b',
    950: '#000000',
  },
}

SCSS

$custom: #578b1b;
$custom-light: #8bad62;
$custom-dark: #000000;

JSON

{
  "hex": "#578b1b",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 27
  },
  "hsl": {
    "h": 87.857,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.57852,
    "c": 0.14866,
    "h": 132.1
  },
  "luminance": 0.20571
}

Semantic roles & 50–950 ramp

primary

#578B1B

secondary

#7D45BC

accent

#3DEA8E

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #578B1B

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

Preview Lab → · Contrast checker → · Palette generator →