#558018#558018

#558018 is a mid, vivid yellow-green. Relative luminance 0.174; OKLCH L 54.8% C 0.137 H 130.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#558018
RGB	rgb(85, 128, 24)
HSL	hsl(85, 68%, 30%)
HSV	hsv(85, 81%, 50%)
CMYK	cmyk(33.6%, 0%, 81.3%, 49.8%)
CIE-LAB	lab(48.80, -31.10, 47.44)
CIE-LCH	lch(48.80, 56.72, 123.24°)
OKLab	oklab(54.82% -0.0887 0.1047)
OKLCH	oklch(54.82% 0.137 130.3)
XYZ	xyz(11.6303, 17.4352, 3.6165)
Luminance	0.1744 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#558018 #431880

analogous

#807718 #558018 #218018

triadic

#558018 #185580 #801855

tetradic

#558018 #188077 #431880 #801821

square

#558018 #188077 #431880 #801821

split-complementary

#558018 #182180 #771880

monochromatic

#111A05 #334C0E #558018 #77B422 #97DA39

Accessibility & contrast

On white

4.68

#558018 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#558018 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #558018

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##558018	#FFFFFF	#000000	##FFFFFF
##558018	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867600

Deuteranopia (green-blind)

#807323

Tritanopia (blue-blind)

#577A6D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #558018;
/* rgb */ color: rgb(85, 128, 24);
/* oklch */ color: oklch(54.8% 0.137 130.3);

Tailwind

colors: {
  custom: {
    50: '#89a55f',
    500: '#558018',
    950: '#000000',
  },
}

SCSS

$custom: #558018;
$custom-light: #89a55f;
$custom-dark: #000000;

JSON

{
  "hex": "#558018",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 24
  },
  "hsl": {
    "h": 84.808,
    "s": 68.421,
    "l": 29.804
  },
  "oklch": {
    "l": 0.5482,
    "c": 0.13717,
    "h": 130.3
  },
  "luminance": 0.17436
}

Semantic roles & 50–950 ramp

primary

#558018

secondary

#7040B4

accent

#3DEB85

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #558018

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

Preview Lab → · Contrast checker → · Palette generator →