#509D10#509D10

#509D10 is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.2% C 0.179 H 135.7°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#509D10
RGB	rgb(80, 157, 16)
HSL	hsl(93, 82%, 34%)
HSV	hsv(93, 90%, 62%)
CMYK	cmyk(49%, 0%, 89.8%, 38.4%)
CIE-LAB	lab(57.90, -45.61, 57.42)
CIE-LCH	lch(57.90, 73.33, 128.46°)
OKLab	oklab(62.2% -0.1277 0.1248)
OKLCH	oklch(62.2% 0.179 135.7)
XYZ	xyz(15.4584, 25.8558, 4.6662)
Luminance	0.2586 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D10 #5D109D

analogous

#979D10 #509D10 #109D17

triadic

#509D10 #10509D #9D1050

tetradic

#509D10 #10979D #5D109D #9D1710

square

#509D10 #10979D #5D109D #9D1710

split-complementary

#509D10 #17109D #9D1097

monochromatic

#172E05 #34650A #509D10 #6CD516 #8CEB3C

Accessibility & contrast

On white

3.40

#509D10 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#509D10 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D10

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D10	#FFFFFF	#000000	##000000
##509D10	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#998925

Tritanopia (blue-blind)

#4D9785

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d10;
/* rgb */ color: rgb(80, 157, 16);
/* oklch */ color: oklch(62.2% 0.179 135.7);

Tailwind

colors: {
  custom: {
    50: '#89ba61',
    500: '#509d10',
    950: '#000000',
  },
}

SCSS

$custom: #509d10;
$custom-light: #89ba61;
$custom-dark: #000000;

JSON

{
  "hex": "#509d10",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 16
  },
  "hsl": {
    "h": 92.766,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.62197,
    "c": 0.17851,
    "h": 135.7
  },
  "luminance": 0.25857
}

Semantic roles & 50–950 ramp

primary

#509D10

secondary

#8B3ECA

accent

#30F89D

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509D10

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

Preview Lab → · Contrast checker → · Palette generator →