#518521#518521

#518521 is a mid, vivid yellow-green. Relative luminance 0.186; OKLCH L 56.0% C 0.141 H 133.3°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#518521
RGB	rgb(81, 133, 33)
HSL	hsl(91, 60%, 33%)
HSV	hsv(91, 75%, 52%)
CMYK	cmyk(39.1%, 0%, 75.2%, 47.8%)
CIE-LAB	lab(50.26, -34.37, 45.60)
CIE-LCH	lch(50.26, 57.10, 127.00°)
OKLab	oklab(55.96% -0.0966 0.1024)
OKLCH	oklch(55.96% 0.141 133.3)
XYZ	xyz(12.0552, 18.6336, 4.4000)
Luminance	0.1863 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518521 #552185

analogous

#838521 #518521 #218523

triadic

#518521 #215185 #852151

tetradic

#518521 #218385 #552185 #852321

square

#518521 #218385 #552185 #852321

split-complementary

#518521 #232185 #852183

monochromatic

#152309 #335415 #518521 #6FB62D #8ED34D

Accessibility & contrast

On white

4.44

#518521 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#518521 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518521

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518521	#FFFFFF	#000000	##000000
##518521	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A0E

Deuteranopia (green-blind)

#83762B

Tritanopia (blue-blind)

#518072

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #518521;
/* rgb */ color: rgb(81, 133, 33);
/* oklch */ color: oklch(56.0% 0.141 133.3);

Tailwind

colors: {
  custom: {
    50: '#86a964',
    500: '#518521',
    950: '#000000',
  },
}

SCSS

$custom: #518521;
$custom-light: #86a964;
$custom-dark: #000000;

JSON

{
  "hex": "#518521",
  "rgb": {
    "r": 81,
    "g": 133,
    "b": 33
  },
  "hsl": {
    "h": 91.2,
    "s": 60.241,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55963,
    "c": 0.14072,
    "h": 133.3
  },
  "luminance": 0.18634
}

Semantic roles & 50–950 ramp

primary

#518521

secondary

#834CB6

accent

#44E397

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #518521

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

Preview Lab → · Contrast checker → · Palette generator →