#509C25#509C25

#509C25 is a light, vivid yellow-green. Relative luminance 0.256; OKLCH L 62.0% C 0.168 H 136.8°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#509C25
RGB	rgb(80, 156, 37)
HSL	hsl(98, 62%, 38%)
HSV	hsv(98, 76%, 61%)
CMYK	cmyk(48.7%, 0%, 76.3%, 38.8%)
CIE-LAB	lab(57.67, -44.19, 51.44)
CIE-LCH	lch(57.67, 67.82, 130.67°)
OKLab	oklab(62.04% -0.1227 0.1152)
OKLCH	oklch(62.04% 0.168 136.8)
XYZ	xyz(15.5302, 25.6149, 5.8757)
Luminance	0.2562 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509C25 #71259C

analogous

#8C9C25 #509C25 #259C35

triadic

#509C25 #25509C #9C2550

tetradic

#509C25 #258C9C #71259C #9C3525

square

#509C25 #258C9C #71259C #9C3525

split-complementary

#509C25 #35259C #9C258C

monochromatic

#1D390E #376B19 #509C25 #69CD31 #8DDA62

Accessibility & contrast

On white

3.43

#509C25 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#509C25 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509C25

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509C25	#FFFFFF	#000000	##000000
##509C25	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E0A

Deuteranopia (green-blind)

#978831

Tritanopia (blue-blind)

#4C9685

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #509c25;
/* rgb */ color: rgb(80, 156, 37);
/* oklch */ color: oklch(62.0% 0.168 136.8);

Tailwind

colors: {
  custom: {
    50: '#88ba68',
    500: '#509c25',
    950: '#000000',
  },
}

SCSS

$custom: #509c25;
$custom-light: #88ba68;
$custom-dark: #000000;

JSON

{
  "hex": "#509c25",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 37
  },
  "hsl": {
    "h": 98.319,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.62037,
    "c": 0.16833,
    "h": 136.8
  },
  "luminance": 0.25616
}

Semantic roles & 50–950 ramp

primary

#509C25

secondary

#9C5EBF

accent

#43E5AA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #509C25

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

Preview Lab → · Contrast checker → · Palette generator →