#509D25#509D25

#509D25 is a light, vivid yellow-green. Relative luminance 0.260; OKLCH L 62.3% C 0.170 H 136.9°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#509D25
RGB	rgb(80, 157, 37)
HSL	hsl(99, 62%, 38%)
HSV	hsv(99, 76%, 62%)
CMYK	cmyk(49%, 0%, 76.4%, 38.4%)
CIE-LAB	lab(57.99, -44.60, 51.75)
CIE-LCH	lch(57.99, 68.32, 130.75°)
OKLab	oklab(62.3% -0.1238 0.1158)
OKLCH	oklch(62.3% 0.17 136.9)
XYZ	xyz(15.6987, 25.9519, 5.9319)
Luminance	0.2595 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D25 #72259D

analogous

#8C9D25 #509D25 #259D36

triadic

#509D25 #25509D #9D2550

tetradic

#509D25 #258C9D #72259D #9D3625

square

#509D25 #258C9D #72259D #9D3625

split-complementary

#509D25 #36259D #9D258C

monochromatic

#1E3A0E #376B19 #509D25 #69CE31 #8DDA62

Accessibility & contrast

On white

3.39

#509D25 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#509D25 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D25

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D25	#FFFFFF	#000000	##000000
##509D25	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F0A

Deuteranopia (green-blind)

#988932

Tritanopia (blue-blind)

#4C9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d25;
/* rgb */ color: rgb(80, 157, 37);
/* oklch */ color: oklch(62.3% 0.170 136.9);

Tailwind

colors: {
  custom: {
    50: '#89ba69',
    500: '#509d25',
    950: '#000000',
  },
}

SCSS

$custom: #509d25;
$custom-light: #89ba69;
$custom-dark: #000000;

JSON

{
  "hex": "#509d25",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 37
  },
  "hsl": {
    "h": 98.5,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.62302,
    "c": 0.16957,
    "h": 136.9
  },
  "luminance": 0.25953
}

Semantic roles & 50–950 ramp

primary

#509D25

secondary

#9D5EBF

accent

#43E5AB

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #509D25

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

Preview Lab → · Contrast checker → · Palette generator →