#509F19#509F19

#509F19 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.178 H 136.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#509F19
RGB	rgb(80, 159, 25)
HSL	hsl(95, 73%, 36%)
HSV	hsv(95, 84%, 62%)
CMYK	cmyk(49.7%, 0%, 84.3%, 37.6%)
CIE-LAB	lab(58.57, -46.05, 55.96)
CIE-LCH	lch(58.57, 72.47, 129.45°)
OKLab	oklab(62.76% -0.1284 0.1229)
OKLCH	oklch(62.76% 0.178 136.3)
XYZ	xyz(15.8814, 26.5708, 5.2113)
Luminance	0.2657 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F19 #68199F

analogous

#939F19 #509F19 #199F25

triadic

#509F19 #19509F #9F1950

tetradic

#509F19 #19939F #68199F #9F2519

square

#509F19 #19939F #68199F #9F2519

split-complementary

#509F19 #25199F #9F1993

monochromatic

#1B3508 #356A11 #509F19 #6BD421 #8CE34F

Accessibility & contrast

On white

3.33

#509F19 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#509F19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F19

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F19	#FFFFFF	#000000	##000000
##509F19	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)

#9B8A2A

Tritanopia (blue-blind)

#4C9987

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f19;
/* rgb */ color: rgb(80, 159, 25);
/* oklch */ color: oklch(62.8% 0.178 136.3);

Tailwind

colors: {
  custom: {
    50: '#89bc64',
    500: '#509f19',
    950: '#000000',
  },
}

SCSS

$custom: #509f19;
$custom-light: #89bc64;
$custom-dark: #000000;

JSON

{
  "hex": "#509f19",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 25
  },
  "hsl": {
    "h": 95.373,
    "s": 72.826,
    "l": 36.078
  },
  "oklch": {
    "l": 0.62763,
    "c": 0.17775,
    "h": 136.3
  },
  "luminance": 0.26572
}

Semantic roles & 50–950 ramp

primary

#509F19

secondary

#954EC6

accent

#38F0A4

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509F19

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

Preview Lab → · Contrast checker → · Palette generator →