#518F18#518F18

#518F18 is a mid, vivid yellow-green. Relative luminance 0.215; OKLCH L 58.6% C 0.158 H 134.2°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#518F18
RGB	rgb(81, 143, 24)
HSL	hsl(91, 71%, 33%)
HSV	hsv(91, 83%, 56%)
CMYK	cmyk(43.4%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(53.45, -39.24, 51.63)
CIE-LCH	lch(53.45, 64.85, 127.24°)
OKLab	oklab(58.56% -0.1103 0.1136)
OKLCH	oklch(58.56% 0.158 134.2)
XYZ	xyz(13.3804, 21.4595, 4.3010)
Luminance	0.2146 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518F18 #56188F

analogous

#8C8F18 #518F18 #188F1B

triadic

#518F18 #18518F #8F1851

tetradic

#518F18 #188C8F #56188F #8F1B18

square

#518F18 #188C8F #56188F #8F1B18

split-complementary

#518F18 #1B188F #8F188C

monochromatic

#162606 #335B0F #518F18 #6FC321 #8DDF42

Accessibility & contrast

On white

3.97

#518F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#518F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518F18

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518F18	#FFFFFF	#000000	##000000
##518F18	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8D7E26

Tritanopia (blue-blind)

#50897A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #518f18;
/* rgb */ color: rgb(81, 143, 24);
/* oklch */ color: oklch(58.6% 0.158 134.2);

Tailwind

colors: {
  custom: {
    50: '#88b061',
    500: '#518f18',
    950: '#000000',
  },
}

SCSS

$custom: #518f18;
$custom-light: #88b061;
$custom-dark: #000000;

JSON

{
  "hex": "#518f18",
  "rgb": {
    "r": 81,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 91.261,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.58562,
    "c": 0.15834,
    "h": 134.2
  },
  "luminance": 0.2146
}

Semantic roles & 50–950 ramp

primary

#518F18

secondary

#8443C0

accent

#3AEE98

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #518F18

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

Preview Lab → · Contrast checker → · Palette generator →