#558E18#558E18

#558E18 is a mid, vivid yellow-green. Relative luminance 0.213; OKLCH L 58.5% C 0.155 H 133.0°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#558E18
RGB	rgb(85, 142, 24)
HSL	hsl(89, 71%, 33%)
HSV	hsv(89, 83%, 56%)
CMYK	cmyk(40.1%, 0%, 83.1%, 44.3%)
CIE-LAB	lab(53.32, -37.39, 51.58)
CIE-LCH	lch(53.32, 63.71, 125.93°)
OKLab	oklab(58.51% -0.1056 0.1134)
OKLCH	oklch(58.51% 0.155 133)
XYZ	xyz(13.5840, 21.3426, 4.2678)
Luminance	0.2134 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558E18 #51188E

analogous

#8E8C18 #558E18 #1A8E18

triadic

#558E18 #18558E #8E1855

tetradic

#558E18 #188E8C #51188E #8E181A

square

#558E18 #188E8C #51188E #8E181A

split-complementary

#558E18 #181A8E #8C188E

monochromatic

#162506 #365A0F #558E18 #74C221 #93DF41

Accessibility & contrast

On white

3.99

#558E18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#558E18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #558E18

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558E18	#FFFFFF	#000000	##000000
##558E18	1.00	3.99	5.27	5.27
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8C7E26

Tritanopia (blue-blind)

#558879

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #558e18;
/* rgb */ color: rgb(85, 142, 24);
/* oklch */ color: oklch(58.5% 0.155 133.0);

Tailwind

colors: {
  custom: {
    50: '#8aaf61',
    500: '#558e18',
    950: '#000000',
  },
}

SCSS

$custom: #558e18;
$custom-light: #8aaf61;
$custom-dark: #000000;

JSON

{
  "hex": "#558e18",
  "rgb": {
    "r": 85,
    "g": 142,
    "b": 24
  },
  "hsl": {
    "h": 88.983,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58512,
    "c": 0.15495,
    "h": 133
  },
  "luminance": 0.21343
}

Semantic roles & 50–950 ramp

primary

#558E18

secondary

#7F42C0

accent

#3AEE91

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #558E18

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

Preview Lab → · Contrast checker → · Palette generator →