#578D18#578D18

#578D18 is a mid, vivid yellow-green. Relative luminance 0.211; OKLCH L 58.4% C 0.153 H 132.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#578D18
RGB	rgb(87, 141, 24)
HSL	hsl(88, 71%, 32%)
HSV	hsv(88, 83%, 55%)
CMYK	cmyk(38.3%, 0%, 83%, 44.7%)
CIE-LAB	lab(53.10, -36.21, 51.42)
CIE-LCH	lch(53.10, 62.90, 125.15°)
OKLab	oklab(58.36% -0.1026 0.113)
OKLCH	oklch(58.36% 0.153 132.2)
XYZ	xyz(13.6201, 21.1413, 4.2270)
Luminance	0.2114 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578D18 #4E188D

analogous

#8D8818 #578D18 #1D8D18

triadic

#578D18 #18578D #8D1857

tetradic

#578D18 #188D88 #4E188D #8D181D

square

#578D18 #188D88 #4E188D #8D181D

split-complementary

#578D18 #181D8D #88188D

monochromatic

#162406 #37590F #578D18 #77C121 #96DF41

Accessibility & contrast

On white

4.02

#578D18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#578D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578D18

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578D18	#FFFFFF	#000000	##000000
##578D18	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#8C7D26

Tritanopia (blue-blind)

#588778

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #578d18;
/* rgb */ color: rgb(87, 141, 24);
/* oklch */ color: oklch(58.4% 0.153 132.2);

Tailwind

colors: {
  custom: {
    50: '#8caf61',
    500: '#578d18',
    950: '#000000',
  },
}

SCSS

$custom: #578d18;
$custom-light: #8caf61;
$custom-dark: #000000;

JSON

{
  "hex": "#578d18",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 24
  },
  "hsl": {
    "h": 87.692,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5836,
    "c": 0.15262,
    "h": 132.2
  },
  "luminance": 0.21142
}

Semantic roles & 50–950 ramp

primary

#578D18

secondary

#7C42BF

accent

#3AEE8D

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #578D18

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

Preview Lab → · Contrast checker → · Palette generator →