#509F16#509F16

#509F16 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.7% C 0.179 H 136.1°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#509F16
RGB	rgb(80, 159, 22)
HSL	hsl(95, 76%, 35%)
HSV	hsv(95, 86%, 62%)
CMYK	cmyk(49.7%, 0%, 86.2%, 37.6%)
CIE-LAB	lab(58.56, -46.18, 56.70)
CIE-LCH	lch(58.56, 73.13, 129.16°)
OKLab	oklab(62.75% -0.1289 0.124)
OKLCH	oklch(62.75% 0.179 136.1)
XYZ	xyz(15.8508, 26.5586, 5.0500)
Luminance	0.2656 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F16 #65169F

analogous

#949F16 #509F16 #169F21

triadic

#509F16 #16509F #9F1650

tetradic

#509F16 #16949F #65169F #9F2116

square

#509F16 #16949F #65169F #9F2116

split-complementary

#509F16 #21169F #9F1694

monochromatic

#1A3307 #35690F #509F16 #6BD51D #8CE64A

Accessibility & contrast

On white

3.33

#509F16 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#509F16 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F16

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F16	#FFFFFF	#000000	##000000
##509F16	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9B8A29

Tritanopia (blue-blind)

#4C9987

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f16;
/* rgb */ color: rgb(80, 159, 22);
/* oklch */ color: oklch(62.7% 0.179 136.1);

Tailwind

colors: {
  custom: {
    50: '#89bc63',
    500: '#509f16',
    950: '#000000',
  },
}

SCSS

$custom: #509f16;
$custom-light: #89bc63;
$custom-dark: #000000;

JSON

{
  "hex": "#509f16",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 22
  },
  "hsl": {
    "h": 94.599,
    "s": 75.691,
    "l": 35.49
  },
  "oklch": {
    "l": 0.6275,
    "c": 0.1789,
    "h": 136.1
  },
  "luminance": 0.2656
}

Semantic roles & 50–950 ramp

primary

#509F16

secondary

#924AC7

accent

#36F2A2

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509F16

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

Preview Lab → · Contrast checker → · Palette generator →