#509E17#509E17

#509E17 is a light, vivid yellow-green. Relative luminance 0.262; OKLCH L 62.5% C 0.177 H 136.1°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#509E17
RGB	rgb(80, 158, 23)
HSL	hsl(95, 75%, 35%)
HSV	hsv(95, 85%, 62%)
CMYK	cmyk(49.4%, 0%, 85.4%, 38%)
CIE-LAB	lab(58.25, -45.74, 56.18)
CIE-LCH	lch(58.25, 72.44, 129.16°)
OKLab	oklab(62.49% -0.1277 0.1231)
OKLCH	oklch(62.49% 0.177 136.1)
XYZ	xyz(15.6894, 26.2200, 5.0447)
Luminance	0.2622 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509E17 #65179E

analogous

#939E17 #509E17 #179E22

triadic

#509E17 #17509E #9E1750

tetradic

#509E17 #17939E #65179E #9E2217

square

#509E17 #17939E #65179E #9E2217

split-complementary

#509E17 #22179E #9E1793

monochromatic

#1A3307 #35690F #509E17 #6BD31F #8CE54B

Accessibility & contrast

On white

3.36

#509E17 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#509E17 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509E17

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509E17	#FFFFFF	#000000	##000000
##509E17	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)

#9A8A29

Tritanopia (blue-blind)

#4C9886

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #509e17;
/* rgb */ color: rgb(80, 158, 23);
/* oklch */ color: oklch(62.5% 0.177 136.1);

Tailwind

colors: {
  custom: {
    50: '#89bb63',
    500: '#509e17',
    950: '#000000',
  },
}

SCSS

$custom: #509e17;
$custom-light: #89bb63;
$custom-dark: #000000;

JSON

{
  "hex": "#509e17",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 23
  },
  "hsl": {
    "h": 94.667,
    "s": 74.586,
    "l": 35.49
  },
  "oklch": {
    "l": 0.62489,
    "c": 0.17735,
    "h": 136.1
  },
  "luminance": 0.26221
}

Semantic roles & 50–950 ramp

primary

#509E17

secondary

#924AC6

accent

#37F1A2

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509E17

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

Preview Lab → · Contrast checker → · Palette generator →