#558D18#558D18

#558D18 is a mid, vivid yellow-green. Relative luminance 0.210; OKLCH L 58.2% C 0.154 H 132.8°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#558D18
RGB	rgb(85, 141, 24)
HSL	hsl(89, 71%, 32%)
HSV	hsv(89, 83%, 55%)
CMYK	cmyk(39.7%, 0%, 83%, 44.7%)
CIE-LAB	lab(53.00, -36.95, 51.29)
CIE-LCH	lch(53.00, 63.22, 125.77°)
OKLab	oklab(58.25% -0.1044 0.1128)
OKLCH	oklch(58.25% 0.154 132.8)
XYZ	xyz(13.4359, 21.0464, 4.2184)
Luminance	0.2105 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558D18 #50188D

analogous

#8D8B18 #558D18 #1B8D18

triadic

#558D18 #18558D #8D1855

tetradic

#558D18 #188D8B #50188D #8D181B

square

#558D18 #188D8B #50188D #8D181B

split-complementary

#558D18 #181B8D #8B188D

monochromatic

#162406 #35590F #558D18 #75C121 #93DF41

Accessibility & contrast

On white

4.03

#558D18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#558D18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558D18

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558D18	#FFFFFF	#000000	##000000
##558D18	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#8C7D26

Tritanopia (blue-blind)

#568778

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #558d18;
/* rgb */ color: rgb(85, 141, 24);
/* oklch */ color: oklch(58.2% 0.154 132.8);

Tailwind

colors: {
  custom: {
    50: '#8aaf61',
    500: '#558d18',
    950: '#000000',
  },
}

SCSS

$custom: #558d18;
$custom-light: #8aaf61;
$custom-dark: #000000;

JSON

{
  "hex": "#558d18",
  "rgb": {
    "r": 85,
    "g": 141,
    "b": 24
  },
  "hsl": {
    "h": 88.718,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58248,
    "c": 0.15371,
    "h": 132.8
  },
  "luminance": 0.21047
}

Semantic roles & 50–950 ramp

primary

#558D18

secondary

#7E42BF

accent

#3AEE90

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #558D18

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

Preview Lab → · Contrast checker → · Palette generator →