#509B1C#509B1C

#509B1C is a mid, vivid yellow-green. Relative luminance 0.252; OKLCH L 61.7% C 0.172 H 136.1°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#509B1C
RGB	rgb(80, 155, 28)
HSL	hsl(95, 69%, 36%)
HSV	hsv(95, 82%, 61%)
CMYK	cmyk(48.4%, 0%, 81.9%, 39.2%)
CIE-LAB	lab(57.30, -44.32, 53.98)
CIE-LCH	lch(57.30, 69.84, 129.39°)
OKLab	oklab(61.72% -0.1236 0.1192)
OKLCH	oklch(61.72% 0.172 136.1)
XYZ	xyz(15.2388, 25.2310, 5.1655)
Luminance	0.2523 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509B1C #671C9B

analogous

#8F9B1C #509B1C #1C9B27

triadic

#509B1C #1C509B #9B1C50

tetradic

#509B1C #1C8F9B #671C9B #9B271C

square

#509B1C #1C8F9B #671C9B #9B271C

split-complementary

#509B1C #271C9B #9B1C8F

monochromatic

#1A3309 #356713 #509B1C #6BCF25 #8CE052

Accessibility & contrast

On white

3.47

#509B1C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#509B1C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509B1C

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509B1C	#FFFFFF	#000000	##000000
##509B1C	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18D00

Deuteranopia (green-blind)

#97872B

Tritanopia (blue-blind)

#4D9584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #509b1c;
/* rgb */ color: rgb(80, 155, 28);
/* oklch */ color: oklch(61.7% 0.172 136.1);

Tailwind

colors: {
  custom: {
    50: '#89b964',
    500: '#509b1c',
    950: '#000000',
  },
}

SCSS

$custom: #509b1c;
$custom-light: #89b964;
$custom-dark: #000000;

JSON

{
  "hex": "#509b1c",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 28
  },
  "hsl": {
    "h": 95.433,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.61718,
    "c": 0.17171,
    "h": 136.1
  },
  "luminance": 0.25232
}

Semantic roles & 50–950 ramp

primary

#509B1C

secondary

#9450C3

accent

#3CECA4

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #509B1C

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

Preview Lab → · Contrast checker → · Palette generator →