#509F17#509F17

#509F17 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.179 H 136.2°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#509F17
RGB	rgb(80, 159, 23)
HSL	hsl(95, 75%, 36%)
HSV	hsv(95, 86%, 62%)
CMYK	cmyk(49.7%, 0%, 85.5%, 37.6%)
CIE-LAB	lab(58.57, -46.14, 56.46)
CIE-LCH	lch(58.57, 72.91, 129.25°)
OKLab	oklab(62.75% -0.1288 0.1237)
OKLCH	oklch(62.75% 0.179 136.2)
XYZ	xyz(15.8606, 26.5625, 5.1018)
Luminance	0.2656 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F17 #66179F

analogous

#949F17 #509F17 #179F22

triadic

#509F17 #17509F #9F1750

tetradic

#509F17 #17949F #66179F #9F2217

square

#509F17 #17949F #66179F #9F2217

split-complementary

#509F17 #22179F #9F1794

monochromatic

#1A3408 #356A0F #509F17 #6BD41F #8CE54B

Accessibility & contrast

On white

3.33

#509F17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#509F17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F17

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F17	#FFFFFF	#000000	##000000
##509F17	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9B8A29

Tritanopia (blue-blind)

#4C9987

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f17;
/* rgb */ color: rgb(80, 159, 23);
/* oklch */ color: oklch(62.8% 0.179 136.2);

Tailwind

colors: {
  custom: {
    50: '#89bc63',
    500: '#509f17',
    950: '#000000',
  },
}

SCSS

$custom: #509f17;
$custom-light: #89bc63;
$custom-dark: #000000;

JSON

{
  "hex": "#509f17",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 23
  },
  "hsl": {
    "h": 94.853,
    "s": 74.725,
    "l": 35.686
  },
  "oklch": {
    "l": 0.62754,
    "c": 0.17853,
    "h": 136.2
  },
  "luminance": 0.26564
}

Semantic roles & 50–950 ramp

primary

#509F17

secondary

#934BC7

accent

#36F1A3

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509F17

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

Preview Lab → · Contrast checker → · Palette generator →