#509E16#509E16

#509E16 is a light, vivid yellow-green. Relative luminance 0.262; OKLCH L 62.5% C 0.178 H 136.0°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#509E16
RGB	rgb(80, 158, 22)
HSL	hsl(94, 76%, 35%)
HSV	hsv(94, 86%, 62%)
CMYK	cmyk(49.4%, 0%, 86.1%, 38%)
CIE-LAB	lab(58.24, -45.79, 56.42)
CIE-LCH	lch(58.24, 72.66, 129.06°)
OKLab	oklab(62.49% -0.1279 0.1234)
OKLCH	oklch(62.49% 0.178 136)
XYZ	xyz(15.6795, 26.2161, 4.9929)
Luminance	0.2622 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509E16 #64169E

analogous

#949E16 #509E16 #169E20

triadic

#509E16 #16509E #9E1650

tetradic

#509E16 #16949E #64169E #9E2016

square

#509E16 #16949E #64169E #9E2016

split-complementary

#509E16 #20169E #9E1694

monochromatic

#1A3307 #35680F #509E16 #6BD41D #8CE649

Accessibility & contrast

On white

3.36

#509E16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#509E16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509E16

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509E16	#FFFFFF	#000000	##000000
##509E16	1.00	3.36	6.24	6.24
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#9A8A28

Tritanopia (blue-blind)

#4C9886

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #509e16;
/* rgb */ color: rgb(80, 158, 22);
/* oklch */ color: oklch(62.5% 0.178 136.0);

Tailwind

colors: {
  custom: {
    50: '#89bb63',
    500: '#509e16',
    950: '#000000',
  },
}

SCSS

$custom: #509e16;
$custom-light: #89bb63;
$custom-dark: #000000;

JSON

{
  "hex": "#509e16",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 22
  },
  "hsl": {
    "h": 94.412,
    "s": 75.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.62485,
    "c": 0.17772,
    "h": 136
  },
  "luminance": 0.26217
}

Semantic roles & 50–950 ramp

primary

#509E16

secondary

#9149C7

accent

#36F2A2

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509E16

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

Preview Lab → · Contrast checker → · Palette generator →