#518E18#518E18

#518E18 is a mid, vivid yellow-green. Relative luminance 0.212; OKLCH L 58.3% C 0.157 H 134.0°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#518E18
RGB	rgb(81, 142, 24)
HSL	hsl(91, 71%, 33%)
HSV	hsv(91, 83%, 56%)
CMYK	cmyk(43%, 0%, 83.1%, 44.3%)
CIE-LAB	lab(53.12, -38.82, 51.33)
CIE-LCH	lch(53.12, 64.36, 127.10°)
OKLab	oklab(58.3% -0.1092 0.113)
OKLCH	oklch(58.3% 0.157 134)
XYZ	xyz(13.2310, 21.1606, 4.2512)
Luminance	0.2116 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518E18 #55188E

analogous

#8C8E18 #518E18 #188E1A

triadic

#518E18 #18518E #8E1851

tetradic

#518E18 #188C8E #55188E #8E1A18

square

#518E18 #188C8E #55188E #8E1A18

split-complementary

#518E18 #1A188E #8E188C

monochromatic

#152506 #335A0F #518E18 #6FC221 #8EDF41

Accessibility & contrast

On white

4.01

#518E18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#518E18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518E18

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518E18	#FFFFFF	#000000	##000000
##518E18	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#948200

Deuteranopia (green-blind)

#8C7D26

Tritanopia (blue-blind)

#508879

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #518e18;
/* rgb */ color: rgb(81, 142, 24);
/* oklch */ color: oklch(58.3% 0.157 134.0);

Tailwind

colors: {
  custom: {
    50: '#88af61',
    500: '#518e18',
    950: '#000000',
  },
}

SCSS

$custom: #518e18;
$custom-light: #88af61;
$custom-dark: #000000;

JSON

{
  "hex": "#518e18",
  "rgb": {
    "r": 81,
    "g": 142,
    "b": 24
  },
  "hsl": {
    "h": 91.017,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58296,
    "c": 0.15711,
    "h": 134
  },
  "luminance": 0.21161
}

Semantic roles & 50–950 ramp

primary

#518E18

secondary

#8342C0

accent

#3AEE97

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1005

muted

#7D7F7A

Preview Lab

Preview with #518E18

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

Preview Lab → · Contrast checker → · Palette generator →