#557E18#557E18

#557E18 is a mid, vivid yellow-green. Relative luminance 0.169; OKLCH L 54.3% C 0.135 H 129.8°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#557E18
RGB	rgb(85, 126, 24)
HSL	hsl(84, 68%, 29%)
HSV	hsv(84, 81%, 49%)
CMYK	cmyk(32.5%, 0%, 81%, 50.6%)
CIE-LAB	lab(48.16, -30.16, 46.84)
CIE-LCH	lch(48.16, 55.71, 122.78°)
OKLab	oklab(54.29% -0.0861 0.1034)
OKLCH	oklch(54.29% 0.135 129.8)
XYZ	xyz(11.3720, 16.9186, 3.5304)
Luminance	0.1692 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#557E18 #41187E

analogous

#7E7418 #557E18 #227E18

triadic

#557E18 #18557E #7E1855

tetradic

#557E18 #187E74 #41187E #7E1822

square

#557E18 #187E74 #41187E #7E1822

split-complementary

#557E18 #18227E #74187E

monochromatic

#111A05 #324B0E #557E18 #78B122 #98D937

Accessibility & contrast

On white

4.79

#557E18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#557E18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #557E18

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##557E18	#FFFFFF	#000000	##FFFFFF
##557E18	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847400

Deuteranopia (green-blind)

#7F7123

Tritanopia (blue-blind)

#57786B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #557e18;
/* rgb */ color: rgb(85, 126, 24);
/* oklch */ color: oklch(54.3% 0.135 129.8);

Tailwind

colors: {
  custom: {
    50: '#89a35e',
    500: '#557e18',
    950: '#000000',
  },
}

SCSS

$custom: #557e18;
$custom-light: #89a35e;
$custom-dark: #000000;

JSON

{
  "hex": "#557e18",
  "rgb": {
    "r": 85,
    "g": 126,
    "b": 24
  },
  "hsl": {
    "h": 84.118,
    "s": 68,
    "l": 29.412
  },
  "oklch": {
    "l": 0.54293,
    "c": 0.13457,
    "h": 129.8
  },
  "luminance": 0.16919
}

Semantic roles & 50–950 ramp

primary

#557E18

secondary

#6E3FB2

accent

#3DEB83

background

#F8FAF5

surface

#F0F4EA

border

#CBCEC6

text

#0C0F05

muted

#7D7F79

Preview Lab

Preview with #557E18

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

Preview Lab → · Contrast checker → · Palette generator →