#509D1C#509D1C

#509D1C is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.2% C 0.174 H 136.3°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#509D1C
RGB	rgb(80, 157, 28)
HSL	hsl(96, 70%, 36%)
HSV	hsv(96, 82%, 62%)
CMYK	cmyk(49%, 0%, 82.2%, 38.4%)
CIE-LAB	lab(57.94, -45.12, 54.57)
CIE-LCH	lch(57.94, 70.81, 129.58°)
OKLab	oklab(62.25% -0.1258 0.1204)
OKLCH	oklch(62.25% 0.174 136.3)
XYZ	xyz(15.5744, 25.9022, 5.2773)
Luminance	0.2590 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D1C #691C9D

analogous

#919D1C #509D1C #1C9D29

triadic

#509D1C #1C509D #9D1C50

tetradic

#509D1C #1C919D #691C9D #9D291C

square

#509D1C #1C919D #691C9D #9D291C

split-complementary

#509D1C #291C9D #9D1C91

monochromatic

#1B3509 #366913 #509D1C #6AD125 #8CE053

Accessibility & contrast

On white

3.40

#509D1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#509D1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D1C

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D1C	#FFFFFF	#000000	##000000
##509D1C	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#99892C

Tritanopia (blue-blind)

#4C9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d1c;
/* rgb */ color: rgb(80, 157, 28);
/* oklch */ color: oklch(62.2% 0.174 136.3);

Tailwind

colors: {
  custom: {
    50: '#89ba65',
    500: '#509d1c',
    950: '#000000',
  },
}

SCSS

$custom: #509d1c;
$custom-light: #89ba65;
$custom-dark: #000000;

JSON

{
  "hex": "#509d1c",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 28
  },
  "hsl": {
    "h": 95.814,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.62248,
    "c": 0.17411,
    "h": 136.3
  },
  "luminance": 0.25903
}

Semantic roles & 50–950 ramp

primary

#509D1C

secondary

#9551C3

accent

#3BEDA5

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509D1C

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

Preview Lab → · Contrast checker → · Palette generator →