#557918#557918

#557918 is a mid, vivid yellow-green. Relative luminance 0.157; OKLCH L 53.0% C 0.128 H 128.5°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#557918
RGB	rgb(85, 121, 24)
HSL	hsl(82, 67%, 28%)
HSV	hsv(82, 80%, 47%)
CMYK	cmyk(29.8%, 0%, 80.2%, 52.5%)
CIE-LAB	lab(46.54, -27.78, 45.33)
CIE-LCH	lch(46.54, 53.17, 121.50°)
OKLab	oklab(52.98% -0.0797 0.1002)
OKLCH	oklch(52.98% 0.128 128.5)
XYZ	xyz(10.7486, 15.6717, 3.3226)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557918 #3C1879

analogous

#796C18 #557918 #247918

triadic

#557918 #185579 #791855

tetradic

#557918 #18796C #3C1879 #791824

square

#557918 #18796C #3C1879 #791824

split-complementary

#557918 #182479 #6C1879

monochromatic

#121A05 #31460E #557918 #79AC22 #9BD735

Accessibility & contrast

On white

5.08

#557918 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#557918 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557918

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557918	#FFFFFF	#000000	##FFFFFF
##557918	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7000

Deuteranopia (green-blind)

#7A6E22

Tritanopia (blue-blind)

#587367

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #557918;
/* rgb */ color: rgb(85, 121, 24);
/* oklch */ color: oklch(53.0% 0.128 128.5);

Tailwind

colors: {
  custom: {
    50: '#89a05e',
    500: '#557918',
    950: '#000000',
  },
}

SCSS

$custom: #557918;
$custom-light: #89a05e;
$custom-dark: #000000;

JSON

{
  "hex": "#557918",
  "rgb": {
    "r": 85,
    "g": 121,
    "b": 24
  },
  "hsl": {
    "h": 82.268,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.52977,
    "c": 0.12804,
    "h": 128.5
  },
  "luminance": 0.15672
}

Semantic roles & 50–950 ramp

primary

#557918

secondary

#683FAE

accent

#3EEA7E

background

#F8F9F5

surface

#F0F2E9

border

#CBCCC5

text

#0C0E05

muted

#7D7E79

Preview Lab

Preview with #557918

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

Preview Lab → · Contrast checker → · Palette generator →