#518121#518121

#518121 is a mid, vivid yellow-green. Relative luminance 0.176; OKLCH L 54.9% C 0.135 H 132.6°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#518121
RGB	rgb(81, 129, 33)
HSL	hsl(90, 59%, 32%)
HSV	hsv(90, 74%, 51%)
CMYK	cmyk(37.2%, 0%, 74.4%, 49.4%)
CIE-LAB	lab(48.96, -32.56, 44.31)
CIE-LCH	lch(48.96, 54.98, 126.31°)
OKLab	oklab(54.9% -0.0917 0.0997)
OKLCH	oklch(54.9% 0.135 132.6)
XYZ	xyz(11.5180, 17.5592, 4.2209)
Luminance	0.1756 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518121 #512181

analogous

#818121 #518121 #218121

triadic

#518121 #215181 #812151

tetradic

#518121 #218181 #512181 #812121

square

#518121 #218181 #512181 #812121

split-complementary

#518121 #212181 #812181

monochromatic

#142008 #325015 #518121 #70B22D #8ED14B

Accessibility & contrast

On white

4.65

#518121 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#518121 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #518121

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518121	#FFFFFF	#000000	##FFFFFF
##518121	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877710

Deuteranopia (green-blind)

#80732A

Tritanopia (blue-blind)

#527C6E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #518121;
/* rgb */ color: rgb(81, 129, 33);
/* oklch */ color: oklch(54.9% 0.135 132.6);

Tailwind

colors: {
  custom: {
    50: '#86a663',
    500: '#518121',
    950: '#000000',
  },
}

SCSS

$custom: #518121;
$custom-light: #86a663;
$custom-dark: #000000;

JSON

{
  "hex": "#518121",
  "rgb": {
    "r": 81,
    "g": 129,
    "b": 33
  },
  "hsl": {
    "h": 90,
    "s": 59.259,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54902,
    "c": 0.13539,
    "h": 132.6
  },
  "luminance": 0.1756
}

Semantic roles & 50–950 ramp

primary

#518121

secondary

#7F4AB4

accent

#45E294

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #518121

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

Preview Lab → · Contrast checker → · Palette generator →