#509E19#509E19

#509E19 is a light, vivid yellow-green. Relative luminance 0.262; OKLCH L 62.5% C 0.177 H 136.2°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#509E19
RGB	rgb(80, 158, 25)
HSL	hsl(95, 73%, 36%)
HSV	hsv(95, 84%, 62%)
CMYK	cmyk(49.4%, 0%, 84.2%, 38%)
CIE-LAB	lab(58.25, -45.66, 55.67)
CIE-LCH	lch(58.25, 72.00, 129.35°)
OKLab	oklab(62.5% -0.1274 0.1223)
OKLCH	oklch(62.5% 0.177 136.2)
XYZ	xyz(15.7102, 26.2283, 5.1543)
Luminance	0.2623 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509E19 #67199E

analogous

#929E19 #509E19 #199E24

triadic

#509E19 #19509E #9E1950

tetradic

#509E19 #19929E #67199E #9E2419

square

#509E19 #19929E #67199E #9E2419

split-complementary

#509E19 #24199E #9E1992

monochromatic

#1A3408 #356911 #509E19 #6BD321 #8CE34E

Accessibility & contrast

On white

3.36

#509E19 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#509E19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509E19

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509E19	#FFFFFF	#000000	##000000
##509E19	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#9A8A2A

Tritanopia (blue-blind)

#4C9886

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #509e19;
/* rgb */ color: rgb(80, 158, 25);
/* oklch */ color: oklch(62.5% 0.177 136.2);

Tailwind

colors: {
  custom: {
    50: '#89bb64',
    500: '#509e19',
    950: '#000000',
  },
}

SCSS

$custom: #509e19;
$custom-light: #89bb64;
$custom-dark: #000000;

JSON

{
  "hex": "#509e19",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 25
  },
  "hsl": {
    "h": 95.188,
    "s": 72.678,
    "l": 35.882
  },
  "oklch": {
    "l": 0.62498,
    "c": 0.17658,
    "h": 136.2
  },
  "luminance": 0.26229
}

Semantic roles & 50–950 ramp

primary

#509E19

secondary

#944EC5

accent

#38EFA4

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509E19

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

Preview Lab → · Contrast checker → · Palette generator →