#509F1C#509F1C

#509F1C is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.176 H 136.4°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#509F1C
RGB	rgb(80, 159, 28)
HSL	hsl(96, 70%, 37%)
HSV	hsv(96, 82%, 62%)
CMYK	cmyk(49.7%, 0%, 82.4%, 37.6%)
CIE-LAB	lab(58.59, -45.91, 55.16)
CIE-LCH	lch(58.59, 71.76, 129.77°)
OKLab	oklab(62.78% -0.1279 0.1216)
OKLCH	oklch(62.78% 0.177 136.4)
XYZ	xyz(15.9156, 26.5845, 5.3910)
Luminance	0.2659 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F1C #6B1C9F

analogous

#929F1C #509F1C #1C9F2A

triadic

#509F1C #1C509F #9F1C50

tetradic

#509F1C #1C929F #6B1C9F #9F2A1C

square

#509F1C #1C929F #6B1C9F #9F2A1C

split-complementary

#509F1C #2A1C9F #9F1C92

monochromatic

#1C370A #366B13 #509F1C #6AD325 #8CE154

Accessibility & contrast

On white

3.32

#509F1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#509F1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F1C

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F1C	#FFFFFF	#000000	##000000
##509F1C	1.00	3.32	6.32	6.32
#FFFFFF	3.32	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)

#9A8B2C

Tritanopia (blue-blind)

#4C9987

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f1c;
/* rgb */ color: rgb(80, 159, 28);
/* oklch */ color: oklch(62.8% 0.176 136.4);

Tailwind

colors: {
  custom: {
    50: '#89bc65',
    500: '#509f1c',
    950: '#000000',
  },
}

SCSS

$custom: #509f1c;
$custom-light: #89bc65;
$custom-dark: #000000;

JSON

{
  "hex": "#509f1c",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 28
  },
  "hsl": {
    "h": 96.183,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.62777,
    "c": 0.1765,
    "h": 136.4
  },
  "luminance": 0.26586
}

Semantic roles & 50–950 ramp

primary

#509F1C

secondary

#9753C4

accent

#3BEDA6

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509F1C

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

Preview Lab → · Contrast checker → · Palette generator →