#559F18#559F18

#559F18 is a light, vivid yellow-green. Relative luminance 0.268; OKLCH L 63.0% C 0.176 H 135.2°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#559F18
RGB	rgb(85, 159, 24)
HSL	hsl(93, 74%, 36%)
HSV	hsv(93, 85%, 62%)
CMYK	cmyk(46.5%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(58.78, -44.49, 56.48)
CIE-LCH	lch(58.78, 71.90, 128.23°)
OKLab	oklab(62.99% -0.1246 0.1237)
OKLCH	oklch(62.99% 0.176 135.2)
XYZ	xyz(16.3089, 26.7925, 5.1761)
Luminance	0.2679 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#559F18 #62189F

analogous

#989F18 #559F18 #189F1F

triadic

#559F18 #18559F #9F1855

tetradic

#559F18 #18989F #62189F #9F1F18

square

#559F18 #18989F #62189F #9F1F18

split-complementary

#559F18 #1F189F #9F1898

monochromatic

#1C3508 #396A10 #559F18 #71D420 #91E44D

Accessibility & contrast

On white

3.30

#559F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#559F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #559F18

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##559F18	#FFFFFF	#000000	##000000
##559F18	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9B8B2A

Tritanopia (blue-blind)

#539987

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #559f18;
/* rgb */ color: rgb(85, 159, 24);
/* oklch */ color: oklch(63.0% 0.176 135.2);

Tailwind

colors: {
  custom: {
    50: '#8cbc63',
    500: '#559f18',
    950: '#000000',
  },
}

SCSS

$custom: #559f18;
$custom-light: #8cbc63;
$custom-dark: #000000;

JSON

{
  "hex": "#559f18",
  "rgb": {
    "r": 85,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 92.889,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.6299,
    "c": 0.17564,
    "h": 135.2
  },
  "luminance": 0.26794
}

Semantic roles & 50–950 ramp

primary

#559F18

secondary

#8F4DC6

accent

#37F09D

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #559F18

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

Preview Lab → · Contrast checker → · Palette generator →