#578C18#578C18

#578C18 is a mid, vivid yellow-green. Relative luminance 0.208; OKLCH L 58.1% C 0.151 H 132.1°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#578C18
RGB	rgb(87, 140, 24)
HSL	hsl(87, 71%, 32%)
HSV	hsv(87, 83%, 55%)
CMYK	cmyk(37.9%, 0%, 82.9%, 45.1%)
CIE-LAB	lab(52.78, -35.77, 51.13)
CIE-LCH	lch(52.78, 62.40, 124.98°)
OKLab	oklab(58.1% -0.1014 0.1124)
OKLCH	oklch(58.1% 0.151 132.1)
XYZ	xyz(13.4733, 20.8478, 4.1781)
Luminance	0.2085 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578C18 #4D188C

analogous

#8C8718 #578C18 #1D8C18

triadic

#578C18 #18578C #8C1857

tetradic

#578C18 #188C87 #4D188C #8C181D

square

#578C18 #188C87 #4D188C #8C181D

split-complementary

#578C18 #181D8C #87188C

monochromatic

#162406 #37580F #578C18 #77C021 #96DE40

Accessibility & contrast

On white

4.06

#578C18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#578C18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578C18

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578C18	#FFFFFF	#000000	##000000
##578C18	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928100

Deuteranopia (green-blind)

#8B7D26

Tritanopia (blue-blind)

#588677

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #578c18;
/* rgb */ color: rgb(87, 140, 24);
/* oklch */ color: oklch(58.1% 0.151 132.1);

Tailwind

colors: {
  custom: {
    50: '#8bae61',
    500: '#578c18',
    950: '#000000',
  },
}

SCSS

$custom: #578c18;
$custom-light: #8bae61;
$custom-dark: #000000;

JSON

{
  "hex": "#578c18",
  "rgb": {
    "r": 87,
    "g": 140,
    "b": 24
  },
  "hsl": {
    "h": 87.414,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.58098,
    "c": 0.15137,
    "h": 132.1
  },
  "luminance": 0.20848
}

Semantic roles & 50–950 ramp

primary

#578C18

secondary

#7A41BF

accent

#3AED8C

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #578C18

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

Preview Lab → · Contrast checker → · Palette generator →