#509918#509918

#509918 is a mid, vivid yellow-green. Relative luminance 0.246; OKLCH L 61.2% C 0.171 H 135.6°. Best body text is #000000 at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#509918
RGB	rgb(80, 153, 24)
HSL	hsl(94, 73%, 35%)
HSV	hsv(94, 84%, 60%)
CMYK	cmyk(47.7%, 0%, 84.3%, 40%)
CIE-LAB	lab(56.64, -43.71, 54.49)
CIE-LCH	lch(56.64, 69.85, 128.74°)
OKLab	oklab(61.17% -0.1222 0.1196)
OKLCH	oklch(61.17% 0.171 135.6)
XYZ	xyz(14.8640, 24.5529, 4.8199)
Luminance	0.2455 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509918 #611899

analogous

#919918 #509918 #189920

triadic

#509918 #185099 #991850

tetradic

#509918 #189199 #611899 #992018

square

#509918 #189199 #611899 #992018

split-complementary

#509918 #201899 #991891

monochromatic

#192F07 #346410 #509918 #6CCE20 #8CE249

Accessibility & contrast

On white

3.55

#509918 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.91

#509918 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509918

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509918	#FFFFFF	#000000	##000000
##509918	1.00	3.55	5.91	5.91
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.91	21.00	1.00	1.00
##000000	5.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C00

Deuteranopia (green-blind)

#958628

Tritanopia (blue-blind)

#4D9382

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #509918;
/* rgb */ color: rgb(80, 153, 24);
/* oklch */ color: oklch(61.2% 0.171 135.6);

Tailwind

colors: {
  custom: {
    50: '#89b862',
    500: '#509918',
    950: '#000000',
  },
}

SCSS

$custom: #509918;
$custom-light: #89b862;
$custom-dark: #000000;

JSON

{
  "hex": "#509918",
  "rgb": {
    "r": 80,
    "g": 153,
    "b": 24
  },
  "hsl": {
    "h": 93.953,
    "s": 72.881,
    "l": 34.706
  },
  "oklch": {
    "l": 0.61167,
    "c": 0.17103,
    "h": 135.6
  },
  "luminance": 0.24554
}

Semantic roles & 50–950 ramp

primary

#509918

secondary

#8F49C4

accent

#38F0A0

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #509918

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

Preview Lab → · Contrast checker → · Palette generator →