#509F1A#509F1A

#509F1A is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.177 H 136.3°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#509F1A
RGB	rgb(80, 159, 26)
HSL	hsl(96, 72%, 36%)
HSV	hsv(96, 84%, 62%)
CMYK	cmyk(49.7%, 0%, 83.6%, 37.6%)
CIE-LAB	lab(58.58, -46.00, 55.70)
CIE-LCH	lch(58.58, 72.24, 129.55°)
OKLab	oklab(62.77% -0.1283 0.1225)
OKLCH	oklch(62.77% 0.177 136.3)
XYZ	xyz(15.8924, 26.5752, 5.2692)
Luminance	0.2658 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F1A #691A9F

analogous

#939F1A #509F1A #1A9F27

triadic

#509F1A #1A509F #9F1A50

tetradic

#509F1A #1A939F #691A9F #9F271A

square

#509F1A #1A939F #691A9F #9F271A

split-complementary

#509F1A #271A9F #9F1A93

monochromatic

#1B3609 #366A11 #509F1A #6AD423 #8CE351

Accessibility & contrast

On white

3.33

#509F1A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#509F1A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F1A

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F1A	#FFFFFF	#000000	##000000
##509F1A	1.00	3.33	6.32	6.32
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9B8A2B

Tritanopia (blue-blind)

#4C9987

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f1a;
/* rgb */ color: rgb(80, 159, 26);
/* oklch */ color: oklch(62.8% 0.177 136.3);

Tailwind

colors: {
  custom: {
    50: '#89bc64',
    500: '#509f1a',
    950: '#000000',
  },
}

SCSS

$custom: #509f1a;
$custom-light: #89bc64;
$custom-dark: #000000;

JSON

{
  "hex": "#509f1a",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 26
  },
  "hsl": {
    "h": 95.639,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.62767,
    "c": 0.17735,
    "h": 136.3
  },
  "luminance": 0.26576
}

Semantic roles & 50–950 ramp

primary

#509F1A

secondary

#9550C5

accent

#39EFA5

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509F1A

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

Preview Lab → · Contrast checker → · Palette generator →