#509D12#509D12

#509D12 is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.2% C 0.178 H 135.7°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#509D12
RGB	rgb(80, 157, 18)
HSL	hsl(93, 79%, 34%)
HSV	hsv(93, 89%, 62%)
CMYK	cmyk(49%, 0%, 88.5%, 38.4%)
CIE-LAB	lab(57.91, -45.54, 57.03)
CIE-LCH	lch(57.91, 72.98, 128.61°)
OKLab	oklab(62.2% -0.1274 0.1242)
OKLCH	oklch(62.2% 0.178 135.7)
XYZ	xyz(15.4740, 25.8620, 4.7486)
Luminance	0.2586 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D12 #5F129D

analogous

#969D12 #509D12 #129D19

triadic

#509D12 #12509D #9D1250

tetradic

#509D12 #12969D #5F129D #9D1912

square

#509D12 #12969D #5F129D #9D1912

split-complementary

#509D12 #19129D #9D1296

monochromatic

#182F05 #34660C #509D12 #6CD418 #8CE940

Accessibility & contrast

On white

3.40

#509D12 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#509D12 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D12

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D12	#FFFFFF	#000000	##000000
##509D12	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)

#998926

Tritanopia (blue-blind)

#4D9785

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d12;
/* rgb */ color: rgb(80, 157, 18);
/* oklch */ color: oklch(62.2% 0.178 135.7);

Tailwind

colors: {
  custom: {
    50: '#89ba61',
    500: '#509d12',
    950: '#000000',
  },
}

SCSS

$custom: #509d12;
$custom-light: #89ba61;
$custom-dark: #000000;

JSON

{
  "hex": "#509d12",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 18
  },
  "hsl": {
    "h": 93.237,
    "s": 79.429,
    "l": 34.314
  },
  "oklch": {
    "l": 0.62204,
    "c": 0.17791,
    "h": 135.7
  },
  "luminance": 0.25863
}

Semantic roles & 50–950 ramp

primary

#509D12

secondary

#8D42C9

accent

#32F69E

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509D12

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

Preview Lab → · Contrast checker → · Palette generator →